Major Research Theme

• Measurement and evaluation of physical fitness, physical　function and health status in middle-aged and older adults
• Development of systems, tools, and exercise programs for successful aging

Major Research Works

Papers

Lim N, Tsunoda K, Nagata K, Asano Y, Seol J, Jindo T, Tsuji T, Okura T. Developing a battery of physical performance tests to predict functional disability in Japanese older adults: A longitudinal study from the Kasama study. Geriatrics & Gerontology International, 24:1343–1349, 2024

Nagata K, Shibuya K, Fujii Y, Seol J, Jindo T, Okura T. Cross-sectional study of the optimal types of physical exercise for cognitive function in older Japanese adults. Geriatrics & Gerontology International, 24:1173-1180, 2024.

Yoon J, Sasaki K, Tateoka K, Arai T, Isoda H, Okura T: Evaluation of Cognitive and Physical Function Among Older Adults by Their Physical Activity: A Cross-Sectional Kasama Study, Japan. J. Alzheimers Dis., 96(4):1801-1812, 2023.

Yoon J, Sasaki K, Nishimura I, Hashimoto H, Okura T, Isoda H: Effects of desert olive tree pearls containing high hydroxytyrosol concentrations on the cognitive functions of middle-aged and older adults. Nutrients, 21;15(14):3234, 2023.

Seol J, Kokudo C, Park I, Zhang S, Yajima K, Okura T, Tokuyama K: Energy metabolism and thermoregulation during sleep in young and old females. Sci. Rep., 13(1):10416 (8 pages), 2023.

Seol J, Lim N, Nagata K, Okura T: Effects of home-based manual dexterity training on cognitive function among older adults: a randomized controlled trial. Eur. Rev. Aging Phys. Act., 20(1):9, 2023.

Tsunoda K, Nagata K, Jindo T, Fujii Y, Soma Y, Kitano N, Okura T. Acceptable walking and cycling distances and functional disability and mortality in older Japanese adults: an 8-year follow-up study. Health & Place, 79, 102952, 2023.

Major Research Theme

• Influence of sensory information, including visual and equilibrium senses, on motor performance
• Evaluation of physical fitness and motor skills using eye movements
• Investigation of the mechanism of “active vision” in athletes and development of its biomarker
• Evaluation of reactive motor performance using electromyography and electroencephalography

Major Research Works

Papers

Shinkai R, Ando S, Nonaka Y, Yoshimura Y, Kizuka T, Ono S. Importance of head movements in gaze tracking during table tennis forehand stroke. Human Movement Science, 90, 103124, 2023.

Yoshimura Y, Kizuka T, Ono S. The effect of real-world and retinal motion on speed perception for motion in depth. PLoS ONE, 18(3), e0283018, 2023.

Shinkai R, Ando S, Nonaka Y, Kizuka T, Ono S. Visual Strategies for Eye and Head Movements During Table Tennis Rallies. Frontiers in sports and active living, 4, 897373, 2022.

Numasawa K, Kizuka T, Ono S. The Effect of Target Velocity on the Fast Corrective Response during Reaching Movement, Journal of Motor Behavior, 54(6), 755-762, 2022.

Numasawa K, Kizuka T, Ono S. The influence of the motor command accuracy on the prediction error and the automatic corrective response. Physiology & Behavior, 250, 113801, 2022.

Miyamoto T, Numasawa K, Ono S. Changes in visual speed perception induced by anticipatory smooth eye movements. Journal of Neurophysiology, 127(4), 1198-1207, 2022.

Miyamoto T, Miura K, Kizuka T, Ono S. The effect of explicit cues on smooth pursuit termination. Vision Research, 189, 27-32, 2021.

Miyamoto T, Hirata Y, Katoh A, Miura K, Ono S. The influence of stimulus and behavioral histories on predictive control of smooth pursuit eye movements. Scientific Reports, 11: 22327, 2021.

Numasawa K, Miyamoto T, Kizuka T, Ono S. The relationship between the implicit visuomotor control and the motor planning accuracy, Experimental Brain Research, 239, 2151–2158, 2021.

Yoshimura Y, Kizuka T, Ono S. Properties of fast vergence eye movements and horizontal saccades in athletes. Physiology & Behavior, 235, 113397, 2021.

Major Research Theme

• Nutrition(dietary habits・food Consciousness・functional components in foods)and physical activity(sports・exercise)on bone metabolism
• Effects of low energy availability and/or Relative Energy Deficiency in Sport (RED-S) on body, mind and performance
• High Intensity Physical Activity and Nutrient Intake
• Individualized Targeted Nutritional Support

Major Research Works

Papers

Yuya Kakutani, Akane Koiwa, Saori kamiya, Miho Ono, Ikuko Sasahara, *Naomi Omi. Why Do Athletes Choose Dietary Supplements? Reliability and Validity of the Dietary Supplement Choice Questionnaire (DSCQ) among Japanese College Athletes. Journal of Nutritional Science and Vitaminology , 64(4): 343-348, 2019.

Naomi Omi, Hideki Shiba, Eisaku Nishimura, Sakuka Tsukamoto, Hiroko Maruki-Uchida, Masaya Oda, Minoru Morita. Effects of enzynatically modified isoquercitrin in supplementary protein powder on athlete body composition: a randomized, placebo-controlled, doubleblind trial. Journal of the International Society of Sports Nutrition , 16: 39-48, 2019.

Satoshi Hattori, Ayaka Noguchi, Hitomi Ogata, Masashi Kobayashi, *Naomi Omi. The Effect of Maple Syrup Ingestion on Fat Oxidation During Incremental Exercise in Endurance Athletes. American Journal of Sports Science , 7(4): 149-154, 2019.

Yuki Aikawa, Umon Agata, Yuya Kakutani, Shoyo Kato,Yuichi Noma, Satoshi Hattori, Hitomi Ogata, Ikiko Ezawa, Naomi Omi. The Preventive Effect of Calcium Supplemetation on Weak Bones Caused by the Interaction of Exercise and Food Restriction in Young Female Rats During the Period from Acquiring Bone Mass to Maintaining Bone Mass. Calcified Tissue International, 98 : 94-103,2016.

Yuki Aikawa, Umon Agata, Yuya Kakutani, Michito Higano, Satoshi Hattori, Hitomi Ogata, Ikiko Ezawa, Naomi Omi. The Interaction of Voluntary Running Exercise and Food Restriction Induces Low Bone Strength and Low Bone Mineral Density in Young Female Rats. CALCIFIED TISSUE INTERNATIONAL, 97(1): 90-99, 2015.

Naomi Omi. Influence of exercise and sports on bone. J Phys Fitness Sports Med, 3:241-248,2014.

Hattori S, Park JH, Agata U, Oda M, Higano M, Aikawa Y, Akimoto T, Nabekura Y, Yamato H, Ezawa I, Omi N. Food restriction cause low bone strength and unusual bone morphology in exercised growing male rats. J Nutr Sci Vitaminol, 60:35-42 ,2014.

Umon Agata,Jong-Hoon Park, Satoshi Hattori, Yuki iimura, Ikuko Ezawa, Takayuki Akimoto, Naomi Omi. The Effect of Different Amounts of Calcium Intake on Bone Metabolism and Arterial Calcification in Ovariectomized Rats. J Nutr Sci Vitaminol, 59:29-36,2013.

Jong-Hoon Park, Naomi Omi, Motoyuki Iemitsu, Seiji Maeda, Ayako Kitajima Toshiya Nosaka, Ikuko Ezawa. Relationship between arterial calcification and bone loss in a new combined model rat by ovariectomy and vitamin D(3) plus nicotine. Calcif Tissue Int, 83: 192-201, 2008.

Naomi Omi, Toshitaka Nakamura, Ikuko Ezawa. Modulation of bone mass and turnover in growing rats by voluntary weight-bearing exercise and glucose supplementation. J. Nutr. Sci. Vitaminol. , 44: 409-421, 1998.

Naomi Omi, Naomi Morikawa, Ikuko Ezawa. The effect of voluntary exercise on bone mineral density and skeletal muscles in the rat model at ovariectomized and sham stages. Bone Miner, 24: 211-222, 1994.

Major Research Theme

• Neural substrate of consolidating and forgetting motor memory: Theory and application
• Visualization of menstrual cycle related variability in physilogical and psychological functions
• Neural adaptation of response inhibitory function in athletes

Major Research Works

Papers

Sato D, Ikarashi K, Nakajima F, Fujimoto T. Novel methodology for identifying the occurrence of ovulation by estimating core body temperature during sleeping: validity and effectiveness study. JMIR formative research, 8: e55834, 2024.

Ikarashi K, Sato D, Edama M, Fujimoto T, Ochi G, Yamashiro K. Fluctuation of fine motor skills throughout the menstrual cycle in women. Scientific Reports, 14: 15079, 2024.

Le Cong D, Sato D, Ikarashi K, Ochi G, Fujimoto T, Yamashiro K. No effect of whole-hand water flow stimulation on skill acquisition and retention during sensorimotor adaptation. Front Hum Neurosci, 18: 1398164, 2024.

Ikarashi K, Sato D, Ochi G, Fujimoto T, Yamashiro K. Action postponing and restraint varies among sensory modalities. Brain Sciences, 12(11): 1530, 2022.

Ikarashi K, Sato D, Fujimoto T, Edama M, Ochi G, Yamashiro K. Response inhibitory control varies with different sensory modalities. Cerebral Cortex, 32(2): 275-285 2021.

Sato D, Yamazaki Y, Yamashiro K, Onishi H, Baba Y, Ikarashi K, Maruyama A. Elite competitive swimmers exhibit higher motor cortical inhibition and superior sensorimotor skills in a water environment. Behav Brain Res, 395: 112835, 2020.

Tochikura I, Sato D, Imoto D, Nuruki A, Yamashiro K, Funada R, Maruyama A. Baseball players’ eye movements and higher coincident-timing task performance. Percept Mot Skills, 127(3): 571-586, 2020.

Yamazaki Y, Yamashiro K, Onishi H, Otsuru N, Kojima S, Saito K, Sato D. Modulation of inhibitory function in the primary somatosensory cortex and temporal discrimination threshold induced by acute aerobic exercise. Behav Brain Res, 377: 112253, 2020.

Ikarashi K, Iguchi K, Yamazaki Y, Yamashiro K, Baba Y, Sato D. Influence of Menstrual cycle phases on neural excitability in the primary somatosensory cortex and ankle joint position sense. Womens Health Rep, 1(1): 167-178, 2020.

Yamazaki Y, Sato D, Yamashiro K, Nakano S, Onishi H, Maruyama A. Acute low-intensity aerobic exercise modulates intracortical inhibitory and excitatory circuits in an exercised and a non-exercised muscle in the primary motor cortex. Front Physiol, 10: 1361, 2019.

Major Research Theme

• Research in training method and swimming technique to enhance swimming performance
• Physiological response during swimming and water exercise

Major Research Works

Papers

Sengoku Y, Shinno A, Kim J, Nakazono Y, Homoto K, Tsunokawa T, Hirai N, Nobue A, Ishikawa M: Relationship between maximal lactate accumulation rate and sprint performance parameters in male competitive swimmers. Frontiers in Sports and Active Living 6: 1483659, 2024.

Sengoku Y, Nakamura K, Ando K: Relationship between blood glucose response and respiratory exchange ratio during intermittent incremental swimming test in well-trained swimmers. Japanese Journal of Sciences in Swimming and Water Exercise, 27: 9-15, 2024.

Muranaka M, Suzuki Y, Ando R, Sengoku Y. Change in short distance swimming performance following inspiratory muscle fatigue. Journal of Sports Medicine and Physical Fitness , 61, 1433-1440, 2021.

Sengoku Y, Yamakawa KK, Tsunokawa T, Narita K. Training to enhance underwater dolphin kick speed in elite swimmers: focusing on kick frequency and propelling efficiency. Research Journal of Sports Performance , 12: 396-407, 2020.

Sengoku Y, Nakamura K, Ogata H, Nabekura Y, Nagasaka S, Tokuyama K. Continuous glucose monitoring during a 100 km race – A case study in an elite ultra-marathon runner. Int J Sports Physiol Perform, 10: 124-127, 2015.

Sengoku Y, Tsunokawa T, Kobayashi K, Tsubakimoto S. Comparison of the training load during high intensity interval resisted training programed by different exercise duration In: Mason B(eds.)/Biomechanics and Medicine in Swimming XII/Australian Institute of Sports, 328-332, 2014.

Sengoku Y, Nakamura K, Takeda T, Nabekura Y, Tsubakimoto S. Glucose response after a ten-week training in swimming. Int J Sports Med, 32: 835-838, 2011.

Major Research Theme

• Biomechanical researches for competitive swimming
• Research and development for swimming gears
• Coaching studies for water polo

Major Research Works

Papers

Koga D, Tsunokawa T, Sengoku Y, Homoto K, Nakazono Y, Takagi H. Relationship between hand kinematics, hand hydrodynamic pressure distribution and hand propulsive force in sprint front crawl swimming. Frontiers in Sports and Active Living , DOI: 10.3389/fspor.2022.786459, 2022.

Takagi H, Nakashima M, Sengoku Y, Tsunokawa T, Koga D, Narita K, Kudo S, Ross S, Gonjo T. How do swimmers control their front crawl swimming velocity? Current knowledge and gaps from hydrodynamic perspectives. Sports Biomechanics , DOI: 10.1080/14763141.2021.1959946, 2021.

Takeda, T., Sakai, S., & Takagi, H. Underwater flutter kicking causes deceleration in start and turn segments of front crawl. Sports Biomechanics, 1-10, 2020. doi:10.1080/14763141.2020.1747528, 2020

Gonjo T, Kishimoto T, Sanders R, Saito M, Takagi, H. Front crawl body roll characteristics in a Paralympic medallist and national level swimmers with unilateral arm amputation. Sports Biomechanics, 1-17, 2019.

Narita K, Nakashima M, Takagi H. Effect of leg kick on active drag in front-crawl swimming: Comparison of whole stroke and arms-only stroke during front-crawl and the streamlined position. Journal of Biomechanics, 76:197-203, 2018.

Takagi H, Nakashima M, Sato Y, Matsuuchi K. Ross Sanders. Numerical and experimental investigations of human swimming motions. J Sports Sci, 34: 1564-1580, 2016.

Tsunokawa T, Nakashima M, Takagi H. Use of pressure distribution analysis to estimate fluid forces around a foot during breaststroke kicking. Sports Engineering, 18: 149-156, 2015.

Takagi H, Shimada S, Miwa T, Kudo S, Sanders R, Matsuuchi K. Unsteady hydrodynamic forces acting on a hand and its flow field during sculling motion. Hum Mov Sci, 38: 133-142, 2014.

Takagi H, Nakashima M, Ozaki T, Matsuuchi K. Unsteady hydrodynamic forces acting on a robotic arm and its flow field: Application to the crawl stroke. J Biomech, 47: 1401-1408, 2014.

Takagi H, Nakashima M, Ozaki T, Matsuuchi K. Unsteady hydrodynamic forces acting on a robotic hand and its flow field. J Biomech, 46: 1825-1832, 2013.

Award

2003 Komoto Award of Sports Sciences in Tsukuba

1992 Young Investigator Award of Japan Society of Biomenicsnics

Major Research Theme

• Effective conditioning for human high performance
• Morphological and qualitative characteristics of skeletal muscle and sports performance

Major Research Works

Papers

Sagayama H, Kondo E, Tanabe Y, Uchizawa A, Evans WJ, Shankaran M, Nyangau E, Hellerstein M, Shiose K, Yoshida T, Yasukata J, Higaki Y, Ohnishi T, Takahashi H, Yamada Y. Comparison of bioelectrical impedance indices for skeletal muscle mass and intracellular water measurements in physically active young men and athletes. J. Nutr., 153: 2543-2551, 2023.

Matsuda T, Takahashi H, Nakamura M, Ogata H, Kanno M, Ishikawa A, Sakamaki-Sunaga M. Influence of the menstrual cycle on muscle glycogen repletion after exhaustive exercise in eumenorrheic women. J. Strength Cond. Res., 37(4): e273-e279, 2023.

Iwayama K, Tanabe Y, Yajima K, Tanji F, Onishi T, Takahashi H. Preexercise high-fat meal following carbohydrate loading attenuates glycogen utilization during endurance exercise in male recreational runners. J. Strength Cond. Res., 37(3): 661-668, 2023.

Namma-Motonaga K, Kondo E, Osawa T, Shiose K, Kamei A, Taguchi M, Takahashi H. Effect of Different Carbohydrate Intakes within 24 Hours after Glycogen Depletion on Muscle Glycogen Recovery in Japanese Endurance Athletes. Nutrients, 14: 1320, 2022.

Nakamura M, Naito T, Saito T, Takahashii A, Muraishi K, Hakamada N, Otomo M, Iizuka S, Nakamura D, Takahashi H. Countermeasures against heat and coronavirus for Japanese athletes at the Tokyo 2020 Olympic and Paralympic Games. Front Sports Act Living, 4: 878022, 2022.

Kondo E, Shiose K, Osawa T, Motonaga K, Kamei A, Nakajima K, Sagayama H, Wada T, Nishiguchi S, Takahashi H. Effects of an overnight high-carbohydrate meal on muscle glycogen after rapid weight loss in male collegiate wrestlers. BMC Sports Sci Med Rehabil ,13: 96, 2021.

Tanabe Y , Shimizu K, Kondo E, Yasumatsu M, Nakamura D, Sagayama H, Takahashi H. Urinary N-terminal fragment of titin reflects muscle damage after a soccer match in male collegiate soccer players. J. Strength Cond Res ,35: 360-365, 2021.

Ishibashi A, Kojima C, Tanabe Y, Iwayama K, Hiroyama T, Tsuji T, Kamei A, Goto K, Takahashi H. Effect of low energy availability during three consecutive days of endurance training on iron metabolism in male long distance runners. Physiol Rep , 8: e14494, 2020.

Kojima C, Ishibashi A, Tanabe Y, Iwayama K, Kamei A, Takahashi H, Goto K. Muscle glycogen content during endurance training under low energy availability. Med Sci Sports Exerc , 52: 187-195, 2020.

Takahashi H, Kamei A, Osawa T, Kawahara T, Takizawa O, Maruyama K. 13C MRS reveals a small diurnal variation of glycogen content in human thigh muscle. NMR Biomed, 28: 650-655, 2015.

Major Research Theme

• National data analysis on physical activities and health outcomes of middle and elderly people in Japan
• Work performance and health status of company employees
• Psychosocial factors of sleep and mental health among athletes
• Empirical research of factors and function of sense of coherence

Major Research Works

Papers

Tsuchida M, Monma T, Ozawa S, Kikuchi A, Takeda F: Lifestyle habit change related to presenteeism change among Japanese employees. AIMS Public Health, 11(3), 729-746, 2024.

Monma T, Yamashita K, Yoshida G, Fujita E, Miyazawa T, Ebine N, Matsukura K, Takeda S, Matamura M, Yamane M, Ando K, Omi N, Sagayama H, Takeda F: Prevalence of Poor Sleep Quality and its Association with Lifestyle Habits, Competition-Based Activities, and Psychological Distress in Japanese Student-Athletes during the COVID-19 Pandemic. Sleep Science, 17(01), e26-e36, 2024.

Hidaka K, Monma T, Fukushima H, Ozawa N, Iwata N, Terada K, Fukushima T, Takeda F: Development of adolescent childhood cancer survivors’ psychosocial issues scale. Pediatrics International, 65(1), e15664, 2023.

Tsuchida M, Monma T, Ozawa S, Kikuchi A, Takeda F: Relationships between lifestyle habits and presenteeism among Japanese employees. Journal of Public Health, 2023. DOI: 10.1007/s10389-023-02136-4

Ozawa S, Monma T, Tsuchida M, Kikuchi A, Takeda F: Health problems related to presenteeism among Japanese employees. Journal of Occupational and Environmental Medicine, 66(1), e1-e7, 2023.

Marumoto T, Monma T, Sawae Y, Takeda F: Mental health and psychosocial status in mothers of children with Attention Deficit Hyperactivity Disorder (ADHD): Differences by maternal ADHD tendencies. Child Psychiatry & Human Development, 2023. doi: 10.1007/s10578-023-01532-x

Monma T, Matsui T, Inoue K, Masuchi K, Okada T, Tamura M, Ishii T, Satoh M, Tokuyama K, Takeda F: Prevalence and risk factors of poor subjective sleep quality in elite judo athletes. Sleep and Biological Rhythms, 21, 289-297, 2023.

Kikuchi A, Monma T, Ozawa S, Tsuchida M, Tsuda M, Takeda F: Risk factors for multiple metabolic syndrome components in obese and non-obese Japanese individuals. Preventive Medicine , 153: 106855, 2021.

Monma T, Kohda Y, Yamane M, Mitsui T, Ando K, Takeda F: Prevalence and risk factors of sleep disorders in visually impaired athletes. Sleep Medicine , 79: 175-182, 2021.

Kohda Y, Monma T, Yamane M, Mitsui T, Ando K, Jesmin S, Takeda F. Mental health status and related factors among visually impaired athletes. Journal of Clinical Medicine Research, 11(11): 729-739, 2019.

Monma T, Takeda F, Noguchi H, Takahashi H, Watanabe T, Tamiya N. Exercise or sports in midlife and healthy life expectancy: an ecological study in all prefectures in Japan. BMC Public Health, 19(1): 1238, 2019.

Major Research Theme

• Observational and interventional studies using epidemiological research methods
• Translational research toward implementation and dissemination

Major Research Works

Papers

Wan J, Wakaba K, Onoue T, Tsushita K, Nakata Y. Factors associated with acquiring exercise habits through health guidance for metabolic syndrome among middle-aged Japanese workers: A machine learning approach. Preventive Medicine Reports, 48: 102915, 2024.

Kim J, Mizushima R, Morimoto M, Fujita Y, Shibuichi S, Kato M, Gosho M, Nakata Y. Effectiveness of a multicomponent intervention to promote physical activity among Japanese remote workers: a pilot open-label randomized controlled trial. Journal of Occupational Health, 66(1): uiae052, 2024.

Shi Y, Sasaki Y, Ishimura K, Mizuno S, Nakata Y. Exploring Determinants of Successful Weight Loss with the Use of a Smartphone Healthcare Application: Secondary Analysis of a Randomized Clinical Trial. Nutrients, 16(13): 2108, 2024.

Hayase A, Onoue T, Nishida K, Nakata Y, Hayashi F, Marutani M, Sakane N, Okamura T, Matsuzaki K, Kawamura T, Tsushita K. Influence of previous health guidance history: impact and limitations of a single health guidance session. Environmental and Occupational Health Practice, 6: eohp.2024-0011-OA, 2024.

Shi Y, Wakaba K, Kiyohara K, Hayashi F, Tsushita K, Nakata Y. Effectiveness and Components of Web-Based Interventions on Weight Changes in Adults Who Were Overweight and Obese: A Systematic Review with Meta-Analyses. Nutrients, 15(1): 179, 2023.

Mitsuhashi R, Sawai A, Kiyohara K, Shiraki H, Nakata Y. Factors Associated with the Prevalence and Severity of Menstrual-Related Symptoms: A Systematic Review and Meta-Analysis. International Journal of Environmental Research and Public Health, 20(1): 569, 2023.

Kim J, Mizushima R, Nishida K, Morimoto M, Nakata Y. Multi-Component Intervention to Promote Physical Activity in Japanese Office Workers: A Single-Arm Feasibility Study. International Journal of Environmental Research and Public Health, 19(24): 16859, 2022.

Nakata Y, Sasai H, Gosho M, Kobayashi H, Shi Y, Ohigashi T, Mizuno S, Murayama C, Kobayashi S, Sasaki Y. A Smartphone Healthcare Application, CALO mama Plus, to Promote Weight Loss: A Randomized Controlled Trial. Nutrients, 14(21): 4608, 2022.

Shigematsu R, Katoh S, Suzuki K, Nakata Y, Sasai H. Risk Factors of Sports-Related Injury in School-Aged Children and Adolescents: A Retrospective Questionnaire Survey. International Journal of Environmental Research and Public Health, 19(14): 8662, 2022.

Kim J, Mizushima R, Nishida K, Morimoto M, Nakata Y. Proposal of a Comprehensive and Multi-Component Approach to Promote Physical Activity among Japanese Office Workers: A Qualitative Focus Group Interview Study. International Journal of Environmental Research and Public Health, 19(4): 2172, 2022.

Major Research Theme

• Cardiovascular & respiratory control during exercise
• Influence of environmental factors (water and ambient temperature and pressure) on cardiovascular & respiratory control during exercise
• Cardiovascular & respiratory adaptations to exercise and changes in temperature and altitude
• Cardiovascular & respiratory control in competitive athletes

Major Research Works

Papers

Fujimoto T, Sasaki Y, Wakabayashi H, Sengoku Y, Tsubakimoto S, Nishiyasu T. Maximal workload but not peak oxygen uptake is decreased during immersed incremental exercise at cooler temperatures. Eur J Appl Physiol, 116: 1819-1827, 2016.

Ichinose M, Ichinose-Kuwahara T, Kondo N, Nishiyasu T. Increasing blood flow to exercising muscle attenuates systemic cardiovascular responses during dynamic exercise in humans. Am J Physiol Regul Integr Comp Physiol, 309: R1234-R1242, 2015.

Fujii N, Tsuji B, Honda Y, Kondo N, Nishiyasu T. Effect of short-term exercise-heat acclimation on ventilatory and cerebral blood flow responses to passive heating at rest in humans. J Appl Physiol, 119: 435-444, 2015.

Fujii N, Tsuchiya S, Tsuji B, Watanabe K, Sasaki Y, Nishiyasu T. Effect of voluntary hypocapnic hyperventilation on the metabolic response during Wingate anaerobic test. Eur J Appl Physiol, 115: 1967-1974, 2015.

Delliaux S, Ichinose M, Watanabe K, Fujii N, Nishiyasu T. Cardiovascular responses to forearm muscle metaboreflex activation during hypercapnia in humans. Am J Physiol Regul Integr Comp Physiol, 309: R43-R50, 2015.

Tsuji B, Honda Y, Ikebe Y, Fujii N, Kondo N, Nishiyasu T. Voluntary suppression of hyperthermia-induced hyperventilation mitigates the reduction in cerebral blood flow velocity during exercise in the heat. Am J Physiol Regul Integr Comp Physiol, 308: R669-R679, 2015.

Fujii N, Honda Y, Komura K, Tsuji B, Sugihara A, Watanabe K, Kondo N, Nishiyasu T. Effect of voluntary hypocapnic hyperventilation on the relationship between core temperature and heat loss responses in exercising humans. J Appl Physiol, 117: 1317-1324, 2014.

Watanabe K, Ichinose M, Tahara R, Nishiyasu T. Individual differences in cardiac and vascular components of the pressor response to isometric handgrip exercise in humans. Am J Physiol Regul Integr Comp Physiol, 306: H251-H260, 2014.

Ichinose M, Watanabe K, Fujii N, Kondo N, Nishiyasu T. Muscle metaboreflex activation speeds the recovery of arterial blood pressure following acute hypotension in humans. Am J Physiol Regul Integr Comp Physiol, 304: H1568-H1575, 2013.

Award

2008-11-19 22th University of Tsukuba, Kawamoto incentive award, Health and Sports Sciences section.

Major Research Theme

• Biomechanics of efficiency and economy in human movement
• Development of endurance performance
• Long term development of physical fittness

Major Research Works

Papers

Seki K, Kyröläinen H, Sugimoto K & Enomoto Y. Bioechanical factors affecting energy cost during runnning utilising different slops. Journal of Sports Sciences, 38(1): 6-12, 2020.

Seki K, H,Kyröläinen, Numazu N, Ohoyama-Byun K, Enomoto Y. Effects of joint kinetics on energy cost during repeated vertical jumping. Medicine & Science in Sports & Exercise, 51(3), 532-538, 2019.

Enomoto Y, Suzuki Y, Yokozawa T, Okada H. Running economy and gastrocnemius muscle length during running for Kenyan and Japanese elite distance runners. Biomechanics in Sports, Portuguese Journal of Sport Sciences, 483-485, 2011.

Enomoto Y, Kadono H, Suzuki Y, Chiba T, Koyama K. Biomechanical analysis of the medalists in the 10,000 metres at the 2007 World Championships in Athletics, New Studies in Athletics, 23: 61-66, 2008.

Award

Nac/ Miyashita Award XXth Congress of International Society of Biomechanics

Other

Secretery General, The 34th International Conferene on Biomechanics in Sports, July 18-22, 2016

Major Research Theme

• Peripheral Mechanisms Governing Heat Loss Responses
• Cardiovascular & Respiratory Control During Exercise

Major Research Works

Fujii N, Kenny GP, McGarr GW, Amano T, Honda Y, Kondo N, Nishiyasu T. TRPV4 channel blockade does not modulate skin vasodilation and sweating during hyperthermia or cutaneous postocclusive reactive and thermal hyperemia. Am J Physiol Regul Integr Comp Physiol. , Apr 1; 320(4): R563-R573, 2021

Fujii N, Fujimoto T, Yinhang C, Dobashi K, Matsutake R, Amano T, Watanabe K, Nishiyasu T. Caffeine Exacerbates Hyperventilation and Reductions in Cerebral Blood Flow in Physically Fit Men Exercising in the Heat. Med Sci Sports Exerc. , Apr 1; 53(4): 845-852, 2021

Arnold JT, Lloyd AB, Bailey SJ, Fujimoto T, Matsutake R, Takayanagi M, Nishiyasu T, Fujii N. The nitric oxide dependence of cutaneous microvascular function to independent and combined hypoxic cold exposure. J Appl Physiol, Oct 1; 129(4): 947-956, 2020

Fujii N, McGarr GW, Kenny GP, Amano T, Honda Y, Kondo N, Nishiyasu T. NO-mediated activation of KATP channels contributes to cutaneous thermal hyperemia in young adults. Am J Physiol Regul Integr Comp Physiol. 318(2): R390-R398, 2020

Fujii N, Hara H, Enomoto Y, Tanigawa S, and Nishiyasu T. Effects of work-matched supramaximal intermittent vs. submaximal constant-workload warm-up on all-out effort power output at the end of 2 minutes of maximal cycling. Eur J Sport Sci, 19: 336-344, 2019

Fujii N, Kashihara M, Kenny GP, Honda Y, Fujimoto T, Cao Y, Nishiyasu T. Carotid chemoreceptors have a limited role in mediating the hyperthermia-induced hyperventilation in exercising humans. J Appl Physiol, 126: 305-313, 2019

Fujii N, Tsuji B, Honda Y, Kondo N, Nishiyasu T. Effect of short-term exercise-heat acclimation on ventilatory and cerebral blood flow responses to passive heating at rest in humans. J Appl Physiol, 1;119(5): 435-44, 2015

Major Research Theme

• Research on exercise efficiency and economy in sprinters
• Conditioning research in high-performance athletes
• Coaching research on attention strategy and exercise performance

Major Research Works

Papers

Furuhashi Y, Hioki Y, Maemura H, Hayashi R. External Focus Affects Drop Jump Performance: Focusing on Different Aims and Words of Instruction. Journal of Human Kinetics, 89: 2023.

Muratomi K, Ota K, Komine T, Tanigawa S, YamazakiI K, Maemura H. The relationship between physical fitness characteristics and race patterns in male 400-m hurdlers. Japan J Phys Educ Hlth Sport Sci, 67: 715-729, 2022.

Ota K, Yoshida T, Ono K, Maemura H, Tanigawa S. Relationships between pelvic behavior and ground reaction force as well as leg swing velocity during the acceleration and full speed phase of sprint running. Japan J Phys Educ Hlth Sport Sci, 67: 793-808, 2022.

Kawama R, Okudaira M, Shimasaki T, Maemura H, Tanigawa S. Sub-elite sprinters and rugby players possess different morphological characteristics of the individual hamstrings and quadriceps muscles. Plos one, 16(10): 2021.

Kawama R, Okudaira M, Maemura H, Tanigawa S. Muscle- and Region-Specific Associations Between Muscle Size and Muscular Strength During Hip Extension and Knee Flexion in the Hamstrings. Journal of Sport Rehabilitation, 30(8): 1172-1177, 2021.

Kawama R, Okudaira M, David F, Maemura H, Tanigawa S. Effect of Knee Joint Angle on Regional Hamstrings Activation During Isometric Knee Flexion Exercise. Journal of Sport Rehabilitation, 11: 1-6, 2021.

Award

Excellent Presentation Award (2022 The Japan Society of Coaching Studies)

Excellent Presentation Award (2023 The Japan Society of Coaching Studies)

Excellent Presentation Award (2023 Japan Society of Sprint Reseach)

Major Research Theme

• Sports Neurobiology – Understanding and Overcoming Brain Fatigue
• The Science of Mutual Prosperity – Cultivating Bonds and Teamwork through Sports and Budo
• Esports Science – Enhancing Cognitive Performance and Social Bondong in Modern Society

Major Research Works

Papers

Funabashi D, Dobashi S, Sameshima K, Sagayama H, Nishijima T, Matsui T. Acute Vigorous Exercise Decreases Subsequent Non-Exercise Physical Activity and Body Temperature Linked to Weight Gain. Med Sci Sports Exerc. Published online June 6, 2024.

Matsui T, Takahashi S, Ochi G, Yoshitake S, Funabashi D, Matsuoka H, Kagesawa J, Dobashi S, Yoshimoto H, Sakairi Y, Takagi H. Cognitive decline with pupil constriction independent of subjective fatigue during prolonged esports across player expertise levels. Computers in Human Behavior, 156, 108219, 2024.

Matsui T. Exhaustive endurance exercise activates brain glycogen breakdown and lactate production more than insulin-induced hypoglycemia. Am J Physiol Regul Integr Comp Physiol, 320: R500-R507, 2021.

Matsui T, Liu YF, Soya M, Shima T, Soya H. Tyrosine as a Mechanistic-Based Biomarker for Brain Glycogen Decrease and Supercompensation with Endurance Exercise in Rats: A Metabolomics Study of Plasma. Front Neurosci, 13: 200, 2019.

Soya M, Matsui T, Shima T, Jesmin S, Omi N, Soya H. Hyper-hippocampal glycogen induced by glycogen loading with exhaustive exercise. Sci Rep, 8: 1285, 2018.

Matsui T, Omuro H, Liu YF, Soya M, Shima T, McEwen BS, Soya H. Astrocytic glycogen-derived lactate fuels the brain during exhaustive exercise to maintain endurance capacity. Proc Natl Acad Sci USA, 114: 6358-6363, 2017.

Shima T, Matsui T, Jesmin S, Okamoto M, Soya M, Inoue K, Liu YF, Torres-Aleman I, McEwen BS, Soya H. Moderate exercise ameliorates dysregulated hippocampal glycometabolism and memory function in a rat model of type 2 diabetes. Diabetologia, 60: 597-606, 2017.

Matsui T, Soya S, Kawanaka K, Soya H. Brain Glycogen Decreases During Intense Exercise Without Hypoglycemia: The Possible Involvement of Serotonin. Neurochem Res, 40: 1333-1340, 2015.

Matsui T, Ishikawa T, Ito H, Okamoto M, Inoue K, Lee M, Fujikawa T, Ichitani Y, Kawanaka K, Soya H. Brain glycogen supercompensation following exhaustive exercise. J Physiol, 590: 607-616, 2012.

Matsui T, Soya S, Okamoto M, Ichitani Y, Kawanaka K, Soya H. Brain glycogen decreases during prolonged exercise. J Physiol, 589: 3383-3393, 2011.

Award

2014-04 American Physiological Society- Central Nervous System Section Research Recognition Award

2013-07 The Journal of Physiology-Early Investigator Prize

Book

Matsui T. Physical and Physiological Implications of Esports. ICSSPE Critical Perspectives on Esports, Routledge, pp 99-113, 2024.

Matsui T, Soya M, Soya H. Endurance and Brain Glycogen: A Clue Toward Understanding Central Fatigue. Adv Neurobiol, 23: 331-346, 2019.

Major Research Theme

• National data analysis on physical activities and health outcomes of middle and elderly people in Japan
• Psychosocial factors of sleep and mental health among athletes
• Work performance and health status of company employees
• Sense of coherence and physical activities in elderly people

Major Research Works

Papers

Monma T, Matsui T, Inoue K, Masuchi K, Okada T, Tamura M, Ishii T, Satoh M, Tokuyama K, Takeda F. Prevalence and risk factors of poor subjective sleep quality in elite judo athletes. Sleep and Biological Rhythms, 2023.

Kikuchi A, Monma T, Ozawa S, Tsuchida M, Tsuda M, Takeda F. Risk factors for multiple metabolic syndrome components in obese and non-obese Japanese individuals. Preventive Medicine, 153, 106855, 2021.

Monma T, Kohda Y, Yamane M, Mitsui T, Ando K, Takeda F. Prevalence and risk factors of sleep disorders in visually impaired athletes. Sleep Medicine, 79, 175-182, 2021.

Monma T, Takeda F, Noguchi H, Takahashi H, Watanabe T, Tamiya N. Exercise or sports in midlife and healthy life expectancy: an ecological study in all prefectures in Japan. BMC Public Health, 19(1), 1238, 2019.

Monma T, Ando A, Asanuma T, Yoshitake Y, Yoshida G, Miyazawa T, Ebine N, Takeda S, Omi N, Satoh M, Tokuyama K, Takeda F. Sleep disorder risk factors among student athletes. Sleep Medicine, 2017. doi: 10.1016/j.sleep.2017.11.1130.

Monma T, Takeda F, Okura T. Physical activities impact sense of coherence among community-dwelling older adults. Geriatrics & Gerontology International, 17, 2208-2215, 2017.

Monma T, Takeda F, Noguchi H, Takahashi H, Tamiya N. The impact of leisure and social activities on activities of daily living of middle-aged adults: Evidence from a national longitudinal survey in Japan. PLOS ONE, 11(10), e0165106, 2016.

Monma T, Takeda F, Noguchi H, Tamiya N. Age and sex differences of risk factors of activity limitations in Japanese older adults. Geriatrics & Gerontology International, 16(6), 670-678, 2016.

Monma T, Takeda F, Tsunoda K, Kitano N, Hotoge S, Asanuma T, Okura T. Age and gender differences in relationships between physical activity and sense of coherence in community-dwelling older adults. Japanese Journal of Health and Human Ecology, 81(5), 159-169, 2015.

Takeda F, Noguchi H, Monma T, Tamiya N. How possibly do leisure and social activities impact mental health of middle-aged adults in Japan?: An evidence from a national longitudinal survey. PLOS ONE, 10(10), e0139777, 2015.

Major Research Theme

• Development of skill analysis system applying human motion bigdata

Major Research Works

Papers

Danhe Tian, Shinichi Yamagiwa, Koichi Wada. Heuristic Method for Minimizing Model Size of CNN by Combining Multiple Pruning Techniques. Sensors, 22(15), 5874, 2022.

Kato S, Yamagiwa S. Statistical Extraction Method for Revealing Key Factors from Posture before Initiating Successful Throwing Technique in Judo, Sensors, 21(17): 5884, 2021.

Yamagiwa S, Kawahara Y, Tabuchi N, Watanabe Y, Naruo T. Skill Grouping Method: Mining and Clustering Skill Differences from Body Movement BigData, Proceeding of International conference on BigData 2015, 2525-2534, IEEE, October 2015.

Yamagiwa S, Ohshima H, Shirakawa K. Development of Skill Scoring System for Ski and Snowboard. Sports Science Research and Technology Support, Communications in Computer and Information Science, 556. Springer, 2015.

Yamagiwa S, Ohshima H, Shirakawa K. Skill Scoring System for Ski’s Parallel Turns. Proceedings of the 2nd International Congress on Sports Sciences Research and Technology Support, 1: icSPORTS, 121-128, ScitePress, 2014.

Yamagiwa S, Gotoda N, Yamamoto Y. Space Perception by Acoustic Cues Influences Auditory-induced Body Balance Control. Proceedings of the International Congress on Sports Science Research and Technology Support, 1: icSPORTS, 30-40, ScitePress, 2013.

Major Research Theme

• Development of the psychological program for performance and health promotion
• The efficacy of mindfulness training on athletes
• Mental health problems such as burnout among athletes

Major Research Works

Papers

Amemiya R, Sakairi Y. The role of self-compassion in athlete mindfulness and burnout: Examination of the effects of gender differences. Personality and Individual Differences, 166(1): 110167, 2020.

Amemiya R, Takahashi G, Rakwal R, Kahata M, Isono K, Sakairi Y. Effects of yoga in a physical education course on attention control and mental health among graduate students with high sensory processing sensitivity. Cogent Psychology, 7:1, 1778895, 2020.

Amemiya R, Sakairi Y. The effects of passion and mindfulness on the intrinsic motivation of Japanese athletes. Personality and Individual Differences, 142: 132-138, 2019.

Amemiya R, Sakairi Y. The role of mindfulness in performance and mental health among Japanese athletes―An examination of the relationship between alexithymic tendencies, burnout, and performance―. Journal of Human Sport & Exercise, 14(2): 456-468, 2019.

Amemiya R, Machida Y, Yoshida M, Inagaki, K, Sakairi Y. Effects of Autogenic Training on the Momentary Mood States of University Students with Highly Sensitive. Japanese Journal of Autojenic Therapy, 37:17-28, 2017.

Amemiya R, Sakairi Y. Effects of mindfulness on athletes’ performance decrement. The Japanese Journal of Psychology, 88(5), 470-477, 2017.

Ueno Y, Iimura S, Amemiya R, Kase T. An approach to both recovery and growth following difficult situations—The perspective of resilience, posttraumatic growth, and mindfulness. Japanese psychological review, 59(4), 397-414, 2016

Amemiya R, Ueno Y, Shimizu, Y. Role of affective mechanisms and social skills in burnout among Japanese university athletes: Comparison of personal burnout level based on dual processing model. Journal of Health Psychology Research, 29(1), 25-37, 2016

Amemiya R. Does performance decrement predict competitive anxiety and secondary performance decrement in athletes? Stress management research, 12(2), 73-81, 2016.

Amemiya R, Sakairi Y. The role of athletes” mindfulness in alexithymia and bunrout. Japanese Journal of Sport Psychology, 42(2), 81-92.

Amemiya R, Yusa Y, Sakairi Y. Development of a Mindfulness Questionnaire for Athletes. Japanese journal of cognitive therapy, 8(1), 106-115, 2015

Award

Incentive Award(Japanese Journal of Sport Psychology)

Best Research Award(Japanese Association of Mindfulness)

Poster Presentation Award(The Japanese Association of Health Psychology)

Major Research Theme

• Mild exercise and hippocamapal plasticity (Cognitive function and stress resistance)

Major Research Works

Papers

Okamoto M, Gray JD, Larson CS, Kazim SF, Soya H, McEwen BS, Pereira AC. Riluzole reduces amyloid beta pathology, improves memory, and restores gene expression chnages in a transgenic mouse model of early-onset Alzheimer’s disease. Translational Psychiatry, in press.

Nasca C, Bigio B, Zelli D, de Angelis ., Lau T, Okamoto M, Soya H, Ni J, Britcha P, Greengard P, Neve RL, Lee F, McEwen BS. Role of the astroglial glutamate exchanger xCT in ventral hippocampus in resilience to stress. Neuron, 96: 402-413, 2017

Pereira AC, Gray JD, Kogan JF, Davidson RL, Rubin TG, Okamoto M, Morrison JH, McEwen BS. Age and Alzheimer’s disease gene expression profiles reversed by the glutamate modulator riluzole. Mol Psychiatry, 22: 296-305, 2017

Shima T, Matsui T, Jesmin S, Okamoto M, Soya M, Inoue K, Liu YF, Torres-Aleman I, McEwen, Soya H. Moderate exercise ameliorates dysregulated hippocampal glycometabolism and memory function in a rat model of type 2 diabetes. Diabetologia, 60:597-606, 2017

Yook JS, Okamoto M, Rakwal R, Shibato J, Lee MC, Matsui T, Chang H, Cho JY, Soya H. Astaxanthin supplementation enhances adult hippocampal neurogenesis and spatial memory in mice. Mol Nutr Food Res, 60:589-599, 2016

Okamoto M, Yamamura Y, Liu YF, Lee MC, Matsui T, Shima T, Soya M, Takahashi, Soya S, McEwen BS, Soya H. Hormetic effects by exercise on hippocampal neurogenesis with glucocorticoid signaling. Brain Plasticity, 1: 149-158, 2015

Inoue K, Okamoto M, Shibato J, Lee MC, Matsui T, Rakwal R, Soya H. Long-Term Mild, rather than Intense, Exercise Enhances Adult Hippocampal Neurogenesis and Greatly Changes the Transcriptomic Profile of the Hippocampus. PLoS One, 10:e0133089, 2015

Okamoto M, Soya H. Mild exercise model for enhancement of hippocampal neurogenesis: A possible candidate for promotion of neurogenesis. JPFSM, 1: 585-594, 2012

Okamoto M, Hojo Y, Inoue K, Matsui T, Kawato S, McEwen BS, Soya H. Mild increases dihydrotestosterone in hippocampus providing evidence for androgenic mediation of neurogenesis. Proc Natl Acad Sci USA, 109: 13100-13105, 2012

Okamoto M, Inoue K, Iwamura H, Terashima K, Soya H, Asashima M, Kuwabara T. Reduction in paracrine Wnt3 factors during aging causes impaired adult neurogenesis. FASEB J, 10: 3570-3582, 2011

Major Research Theme

• Physiological mechanisms for mild-exercise-enhanced executive function
• Biomarker development for Sports neuroscience using pupil and blink measurement
• Body-brain developmental linkages in early childhood
• Subjective experiences and neural correlates of sport/exercise

Major Research Works

Papers

Damrongthai C#, Kuwamizu R#, Yamazaki Y, Aoike N, Lee D, Byun K, Torma F, Churdchomjan W, Yassa MA, Adachi K, Soya H. Slow running benefits: Boosts in mood and facilitation of prefrontal cognition even at very light intensity. bioRxiv, 2024.01.29.575971, 2024.

Kuwamizu R, Yamada Y. Physiological mechanism of acute exercise benefits for human cognition: possible involvement of dopamine release and central command. The Journal of Physiology, 602(6) 997-999, 2024.

Suwabe K, Kuwamizu R, Hyodo K, Yoshikawa T, Otsuki T, Zempo-Miyaki A, Yassa MA, Soya H. Improvement of mnemonic discrimination with acute light exercise is mediated by pupil-linked arousal in healthy older adults, Neurobiology of Aging, 133,107-114, 2024.

Fukuie T, Suwabe K, Kawase S, Shimizu T, Ochi G, Kuwamizu R, Sakairi Y, Soya H. Groove rhythm enhances exercise impact on prefrontal cortex function in groove enjoyers. Neuroscience, 531,117-129. 2023.

Kuwamizu R, Yamazaki Y, Aoike N, Hiraga T, Hata T, Yassa MA, Soya H. Pupil dynamics during very light exercise predict benefits to prefrontal cognition, NeuroImage, 277, 120244, 2023.

Yamazaki Y, Suwabe K, Nagano-Saito A, Saotome K, Kuwamizu R, Hiraga T, Torma F, Suzuki K, Sankai Y, Yassa MA, Soya H. A Possible contribution of the locus coeruleus to arousal enhancement with mild exercise: Evidence from pupillometry and neuromelanin imaging. Cerebral Cortex Communications, 4, 2 tgad010, 2023.

Zou L, Herold F, Ludyga S, Kamijo K, Müller N, Pontifex M, Heath M, Kuwamizu R, Soya H, Hillman C, Ando S, Alderman B, Cheval B, Kramer AF. Look into my eyes -What can eye-based measures tell us about the relationship between physical activity and cognitive performance? Journal of Sport and Health Science, 12, 5, 2023.

Kuwamizu R, Yamazaki Y, Aoike N, Ochi G, Suwabe K, Soya H. Pupil-linked arousal with very light exercise: Pattern of pupil dilation during graded exercise. The Journal of Physiological Sciences, 72, 23, 2022.

Kuwamizu R, Suwabe K, Chorphaka D, Ochi G, Fukuie T, Hiraga T, Hyodo K, Nagano-Saito A, Soya H. Spontaneous Eye Blink Rate Connects Missing Link between Aerobic Fitness and Cognition. Medicine and Science in Sports and Exercise, 53(7):1425-1433, 2021.

Kuwamizu R. Muscle Strength and Executive Function: High Grip Strength Young Males Can Get a Grip on Stroop Task. The bulletin of Yokohama City University: Humanities, 77, 177-192, 2020.

Major Research Theme

• Functions of attention and gaze in motor learning and control
• Fast and accurate decision-making in sports situations
• Relationship between movement and spatial perception based on sensory information
• Various feedback information used in situations of physical education and sports

Major Research Works

Papers

Kokubu M, Higashi A, Murakami N, Araki M. An experimental study on the latency and velocity of vergence eye movements in university basketball players.Osaka Research Journal of Physical Education, 58: 1-12, 2020.

Mieda T, Kokubu M, Saito M. Rapid identification of sound direction in blind footballers. Experimental Brain Research, 237: 3221-3231, 2019.

Kikumasa S, Kokubu M. Temporal and spatial information used by baseball catchers when making decisions about fielding in pairs.Japan Journal of Physical Education, Health and Sport Sciences, 64(2): 613-624, 2019.

Oki Y, Kokubu M. Influence of attentional focus on long-distance throwing using hands with different skill levels. Research Journal of Physical Arts, 24(1): 21-30, 2019.

Kokubu M, Higashi A, Murakami N, Araki M. The relationship between the latency of vergence eye movements and shoot performance in women’s university basketball players. The Bulletin of Faculty of Health and Sport Sciences, 41, 1-6, 2018.

Kikumasa S, Kokubu M. Decision-making and visual search strategy of baseball catchers in a situation of giving directions on a play. Japanese Journal of Sport Psychology, 45(1): 27-41, 2018.

Kokubu M, Ando S, Oda S. Fixating at far distance shortens reaction time to peripheral visual stimuli at specific locations. Neuroscience Letters, 664, 15-19, 2018.

Oki Y, Kokubu M, Nakagomi S. External versus two different internal foci of attention in long-distance throwing. Perceptual and Motor Skills, 125(1): 177-189, 2018.

Kokubu M. A study on the judgment accuracy of volleyball referees by the analysis of challenge system.Journal of Volleyball Sciences, 19(1): 51-57, 2017.

Ando S, Komiyama T, Kokubu M, Sudo M, Kiyonaga A, Tanaka H, Higaki Y. Slowed response to peripheral visual stimuli during strenuous exercise.Physiology & Behavior, 161, 33-37, 2016.

Major Research Theme

• Conditioning for the Internal Sports Injuries
• Anti-aging for the Cardiovascular System and Kidneys

Major Research Works

Papers

Kosaki K, Park J, Matsui M, Sugaya T, Kuro-o M, Saito C, Yamagata K, Maeda S. Elevated urinary angiotensinogen excretion links central and renal hemodynamic alterations. Sci Rep, 13(1): 11518, 2023.

Kosaki K, Kumamoto S, Tokinoya K, Yoshida Y, Sugaya T, Murase T, Akari S, Nakamura T, Nabekura Y, Takekoshi K, Maeda S. Xanthine oxidoreductase activity in marathon runners: pothetial implications for marathon-induced acute kidney injury. J Appl Physiol (1985), 133(1): 1-10, 2022.

Mori S, Kosaki K, Tagata R, Kon K, Yasuda R, Nishitani N, Ishizu T, Maeda S. Acute influences of tennis services on cardiac output and brachial hemodynamics in young male tennis players. J Sci Med Sport, 25(12): 973-978, 2022.

Kosaki K, Tarumi T, Mori S, Matsui M, Sugawara J, Sugaya T, Kuro-o M, Saito C, Yamagata K, Oka K, Maeda S. Cerebral and renal hemodynamics: similarities, differences, and associations with chronic kidney disease and aortic hemodynamics. Hypertens Res, 45(8): 1363-1372, 2022.

Yoshioka M, Kosaki K, Matsui M, Okabe N, Saito C, Yamagata K, Kuro-o M, Maeda S. Association of circulating calciprotein particle levels with skeletal muscle mass and strength in middle-aged and older women. Hypertens Res, 45(5): 900-910, 2022.

Kosaki K, Takahashi K, Matsui M, Yoshioka M, Mori S, Nishitani N, Shibata A, Saito C, Kuro-o M, Yamagata K, Oka K, Maeda S. Sedentary time and estimated nephron number in middle-aged and older adults with or without chronic kidney disease. Exp Gerontol, 154: 111531, 2021.

Yoshioka M, Kosaki K, Matsui M, Takahashi K, Shibata A, Oka K, Kuro-o M, Saito C, Yamagata K, Maeda S. Physical activity, sedentary behavior, and skeletal muscle strength in patients with chronic kidney disease: an isotemporal substitution approach. Phys Ther, 101(7): pzab101, 2021.

Kosaki K, Tarumi T, Sugawara J, Tanahashi K, Kumagai H, Matsui M, Sugaya T, Osuka Y, Tanaka K, Kuro-o M, Saito C, Yamagata K, Maeda S. Renal hemodynamics across the adult lifespan: relevance of flow pulsatility to chronic kidney disease. Exp Gerontol, 152: 111459, 2021.

Kosaki K, Kamijo-Ikemori A, Sugaya T, Kumamoto S, Tanahashi K, Kumagai H, Kimura K, Shibagaki Y, Maeda S. Incremental short maximal exercise increases urinary liver-type fatty acid-binding protein in adults without CKD. Scand J Med Sci Sports, 30(4): 709-715, 2020.

Kosaki K, Kamijo-Ikemori A, Sugaya T, Tanahashi K, Sawano Y, Akazawa N, Ra SG, Kimura K, Shibagaki Y, Maeda S. Effect of habitual exercise on urinary liver-type fatty acid-binding protein levels in middle-aged and older adults. Scand J Med Sci Sports, 28(1): 152-160, 2018.

Major Research Theme

• Energy Metabolism
• Total energy expenditure and body composition
• Estimated energy requrements of free living condition
• Energy balance

Major Research Works

Papers

Sagayama H, Yamada Y, Kondo E, Tanabe Y, Uchizawa A, Shankaran M, Nyangau E, Evans WJ, Hellerstein M, Yasukata J, Higaki Y, Ohnishi T, Takahashi H. Skeletal muscle mass can be estimated by creatine (methyl-d3) dilution and is correlated with fat-free mass in active young males. Eur J Clin Nutr., 77(3): 393-399, 2023.

Uchizawa A, Kondo E, Lakicevic N, Sagayama H. Differential risks of the duration and degree of weight control on bone health and menstruation in female athletes. Front Nutr., 26;9: 875802, 2022.

Uchizawa A, Funayama A, Osumi H, Enomoto Y, Zhang S, Tokuyama K, Omi N, Sagayama H. Food quotient assessments using one-week dietary records and food frequency questionnaires of young Japanese runners. J Nutr Sci Vitaminol., 68(1): 47-54, 2022.

Sagayama H, Racine NM, Shriver TC, Schoeller DA. Comparison of isotope ratio mass spectrometry and cavity ring-down spectroscopy procedures and precision of the doubly labeled water method in different physiological specimens. Rapid Commun Mass Spectrom,15;35(21): e9188, 2021.

Sagayama H, Yamada Y, Tanabe Y, Kondo E, Ohnishi T, Takahashi H. Validation of skeletal muscle mass estimation equations in active young adults: A preliminary study. Scand J Med Sci Sports, 31(10): 1897-1907. 2021.

Sagayama H, Yamada Y, Ichikawa M, Kondo E, Yasukata J, Tanabe Y, Higaki Y, Takahashi H. Evaluation of fat-free mass hydration in athletes and non-athletes. Eur J Appl Physiol., 120(5): 1179-1188, 2020.

Major Research Theme

• Mechanical execution mechanisms of human motion (especially maximal effort locomotion)
• Morphological and mechanical plasticity and inter-individual differences in humans
• Inter-relationship between physical and motor features
• Methodological development of biomechanical measurement/analysis of the human body and motion

Major Research Works

Papers

Sado N, Fujimori T, Tobe N. Discrepancy between ‘contributing to’ and ‘sharing variance with’ the effective energy for height in high jump. Journal of Sports Sciences, 42(5), 425-433, 2024. DOI: 10.1080/02640414.2024.2335086

Sado N, Edagawa T, Fujimori T, Hashimoto S, Okamoto Y, Nakajima T. Hip and lumbosacral joint centre locations in Asian population: biases produced by existing regression equations and development of new equations. Journal of Biomechanics, 162, 111866, 2024. DOI: 10.1016/j.jbiomech.2023.111866

Hashimoto S, Fujimori T, Ohyama-Byun K, Okamoto Y, Nakajima T, Sado N. Distal muscle cross-sectional area is correlated with shot put performance. Journal of Biomechanics, 160, 111819, 2023. DOI: 10.1016/j.jbiomech.2023.111819

Sado N, Fujii N, Nonaka E, Miyazaki T. Judokas exhibit short response latency even to non-judo-specific external perturbation: Insights into the involuntary postural control ability in humans. Motor Control, 27(4), 818-829, 2023. DOI: 10.1123/mc.2023-0026

Sado N, Ichinose H, Kawakami Y. The lower limbs of sprinters have larger relative mass but not larger normalised moment of inertia than controls. Medicine & Science in Sports & Exercise, 55, 590–600, 2023. DOI: 10.1249/MSS.0000000000003064

Sado N, Yoshioka S, Fukashiro S. Pelvic elevation induces vertical kinetic energy without losing horizontal energy during running single-leg jump for distance. European Journal of Sport Science, 23(7), 1146–1154, 2023. DOI: 10.1080/17461391.2022.2070779

Sado N, Yoshioka S, Fukashiro S. Curved approach in high jump induces greater jumping height without greater joint kinetic exertions than straight approach. Medicine & Science in Sports & Exercise, 54(1), 120–128, 2022. DOI: 10.1249/mss.0000000000002761

Award

Hans Gros Emerging Researcher Award. International Society of Biomechanics in Sports. 2024

Outstanding Doctoral Dissertation Award. Department of Multidisciplinary Sciences, The University of Tokyo. 2019

New Investigator Award (Poster & Oral) Gold Medal (1st Place). International Society of Biomechanics in Sports. 2018.

The First National High School Memorial Award. The University of Tokyo. 2016.

Major Research Theme

• Research in evaluating fluid forces during swimming using pressure measurement
• Motion capture analysis in swimming

Major Research Works

Papers

Nakazono Y, Shimojo H, Sengoku Y, Takagi H, Tsunokawa T. Impact of variations in swimming velocity on wake flow dynamics in human underwater undulatory swimming. Journal of Biomechanics, 165, DOI: 10.1016/j.jbiomech.2024.112020, 2024

Tsunokawa T, Shigehara H, Nakazono Y, Homoto K. The effects of flutter kick on active drag during front crawl swimming. Proceeding of the 14th International Symposium on Biomechanics and Medicine in Swimming, 581-583, 2023

Kadi T, Wada T, Narita K, Tsunokawa T, Mankyu H, Tamaki H, Ogita F. Novel Method for Estimating Propulsive Force Generated by Swimmers’ Hands Using Inertial Measurement Units and Pressure Sensors. Sensors, 22(17): 6695, 2022

Takagi H, Nakashima M, Sengoku Y, Tsunokawa T, Koga D, Narita K, Kudo S, Sanders R, Gonjo T. How do swimmers control their front crawl swimming velocity? Current knowledge and gaps from hydrodynamic perspectives. Sports Biomechanics, DOI: 10.1080/14763141.2021.1959946, 2021

Tsunokawa T, Mankyu H, Takagi H, Ogita F. The effect of using paddles on hand propulsive forces and Froude efficiency in arm-stroke-only front-crawl swimming at various velocities. Human Movement Science, 64:378–388, 2019

Kawai E, Tsunokawa T, Takagi H. Estimating the hydrodynamic forces during eggbeater kicking by pressure distribution analysis. Heliyon, 4: e01095, 2018

Tsunokawa T, Tsuno T, Mankyu H, Takagi H, Ogita F. The effect of paddles on pressure and force generation at the hand during front crawl. Human Movement Science, 57:409–416, 2018

Tsunokawa T, Narita K, Mankyu H, Ogita F, Takagi H. Estimation of propulsive forces acting on a hand using pressure measurement and underwater motion capture during front crawl. XIIIth International Symposium on Biomechanics and Medicine in Swimming Proceedings, Impress R&D, 166-172, 2018

Tsunokawa T, Nakashima M, Takagi H. Use of pressure distribution analysis to estimate fluid forces around a foot during breaststroke kicking.
Sports Engineering, 18(3):149–156, 2015

Tsunokawa T, Nakashima M, Sengoku Y, Tsubakimoto S, Takagi H. A new method to evaluate breaststroke kicking technique using a pressure distribution analysis. Biomechanics and Medicine in Swimming XII/Australian Institute of Sports, 263-269, 2014

Award

International Symposium on Biomechanics and Medicine in Swimming, Archimedes Award, 2014

Major Research Theme

• 3D Image Processing
• Scene Understanding
• Free-Viewpoint Video
• Mixed Reality, Augmented Reality

Major Research Works

Papers

Daichi Kitaguchi, Koichiro Kumano, Ryotaro Takatsuki, Chun Xie, Shinji Hashimoto, Yoshimasa Akashi, Itaru Kitahara, Tatsuya Oda. Free-Viewpoint Video in Open Surgery: Development of Surgical Arena 360. Journal of Surgical Education, 81(3), 326-329, 2024. https://doi.org/10.1016/j.jsurg.2023.12.003

Pragyan Shrestha, Chun Xie, Hidehiko Shishido,Yuichi Yoshii, Itaru Kitahara. 3D Reconstruction of Wrist Bones from C-Arm Fluoroscopy Using Planar Markers. Diagnostics, 13(2), 330, 2023. https://doi.org/10.3390/diagnostics13020330

Itsuki Ueda, Hidehiko Shishido, Itaru Kitahara. Spatio-Temporal Aggregation of Skeletal Motion Features for Human Motion Prediction. Elsevier Array, 100212, 2022. https://doi.org/10.1016/j.array.2022.100212

Qiaoge Li, Oto Takeuchi, Hidehiko Shishido, Yoshinari Kameda, Hansung Kim, Itaru Kitahara. Generative Image Quality Improvement in Omnidirectional Free-Viewpoint Images and Assessments. IIEEJ Transactions on Image Electronics and Visual Computing, 10(1), 107-119, 2022. https://doi.org/10.11371/tievciieej.10.1_107

Yamato Kanno, Chun Xie, Hidehiko Shishido, Yoshinari Kameda, Itaru Kitahara. Estimation of Mitt Movement Trajectory in Catcher Framing from Baseball Video. Proceedings of International Workshop on Advanced Imaging Technology (IWAIT) 2024, 1316420, 2024. https://doi.org/10.1117/12.3018717

Naoki Tanaka, Hidehiko Shishido, Masashi Suita, Takeshi Nishijima, Yoshinari Kameda, Itaru Kitahara. Detection of Shot Information Using Footwork Trajectory and Skeletal Information of Badminton Players.” Proceedings of 11th International Conference on Sport Sciences Research and Technology Support (icSPORTS2023), 112-119, 2023.

Kana Sagawa, Hidehiko Shishido, Masashi Suita, Itaru Kitahara. Reaction Time Estimation Based on Recursive Short-Term Principal Component Analysis for Skeletal Information of Badminton Players. Proceedings of 11th International Conference on Sport Sciences Research and Technology Support (icSPORTS2023), 15-22, 2023.

Major Research Theme

• Cybernics / Augmented Human / Biomedical Engineering
• Social Interaction / Autism and Developmental Disorders Studies
• Social Robotics / Cognitive Robotics
• Energing Technologies

Major Research Works

Papers

Kondo Y, Bando K, Suzuki I, Miyazaki Y, Nishida D, Hara T, Kadone H, Suzuki K. Video-based Detection of Freezing of Gait in Daily Clinical Practice in Patients with Parkinsonism. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2024. doi: 10.1109/TNSRE.2024.3413055.

Torrendell SP, Kadone H, Hassan M, Chen Y, Miura K, Suzuki K. A Neck Orthosis With Multi-Directional Variable Stiffness for Persons With Dropped Head Syndrome. IEEE Robotics and Automation Letters, 9(7):6224-6231, 2024.

Kennard M, Hassan M, Shimizu Y, Suzuki, K+C34. Max Well-Being: a modular platform for the gamification of rehabilitation. Frontier in Robotics and AI, 11:1382157, 2024.

Zhou Y, Suzuki K, Kumano S. State-Aware Deep Item Response Theory using student facial features. Frontiers in Artificial Intelligence, 6:1324279, 2024.

Koizumi K, Hassan M, Hirokawa M, Suzuki K. Passive Add-On Mechanism for Electric Wheelchairs to Support Step Climbing Using Rider Motion. IEEE Robotics and Automation Letters, 9(4):3355-3362, 2024.

Ccorimanya L, Hassan M, Watanabe R, Ueno T, Hada Y, Suzuki K. A Personalized 3D-Printed Hand Prosthesis for Early Intervention in Children With Congenital Below-Elbow Deficiency: User-Centered Design Case Study, IEEE Access, 11:50235-50251, 2023.

Kennard, M. Yagi, K., Hassan, M., Kadone, K., Mochiyama, H. and Suzuki, K., Variable-Damper Control Using MR Fluid for Lower Back Support Exoskeleton, IEEE/ASME Transactions on Mechatronics, 28(1):579-587, 2023.

Lafitte MN, Kadone H, Kubota S, Shimizu Y, Tan CK, Koda M, Hada Y, Sankai Y, Suzuki K, Yamazaki M. Alteration of muscle activity during voluntary rehabilitation training with single-joint Hybrid Assistive Limb (HAL) in patients with shoulder elevation dysfunction from cervical origin, Frontiers in Neuroscience, 16:817659, 2022.

Hassan M, Shimizu Y, Hada Y, Suzuki K. Joy-Pros: A Gaming Prosthesis to Enable Para-Esports for Persons With Upper Limb Deficiencies. IEEE Access, 10:18933-18943, 2022.

Paez-Granados D, Kadone H, Hassan M, Chen Y, Suzuki K, Personal Mobility with Synchronous Trunk-Knee Passive Exoskeleton: Optimizing Human-Robot Energy Transfer. IEEE/ASME Transactions on Mechatronics, 27(5):3613-3623, 2022.

Major Research Theme

• Development of a new soft tennis court
• The impact phenomenon of balls and equipment through large-scale computation
• Research on mechanical property of automotive seat soft foam materials using CAE
• Optimization factors affecting the support force of knee supporters

Major Research Works

Papers

Hayato Nakahara, Akihiro Matsuda. Finite element computation with anisotropic hyperelastic model considering distributed fibers for artificial and natural leather used in sports. Bulletin of JSME, Mechanical Engineering Journal, 7(4), 1-16, 2020.

Kohei Yasui, Akihiro Matsuda. Factors affecting the modeling of pressure drop of HEPA filters for nuclear power plants during fire accident. 3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE2020), MS10-2-05, 210-214, 2020.

Shintaro Tanaka, Akihiro Matsuda. Numerical study on electric cable fire considering thermal degradation in nuclear power plants using FDS. 3rd International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE2020), MS03-4-05, 236-239, 2020.

Akihiro Matsuda, Shigeru Kawahara. Applicability of thermoplastic elastomers to impact load reduction in sports equipment. Proceedings of 13th Conference of the International Sports Engineering Association (ISEA 2020), 49(1), 163, 2020

Taisei Mori, Yohei Ogino, Akihiro Matsuda, Yumiko Funabashi. Evaluation of 3-axial knee joint torques produced by compression sports tights in running motion. Proceedings of 13th Conference of the International Sports Engineering Association (ISEA 2020), 49(1), 69, 2020.

Yuki Kimura, Kazuhito Kato, Akihiro Matsuda. Study on voxel finite element analysis of open-cell polyurethane foam. IOP conference series: Materials Science and Engineering, 548, 012010, 2019.

Akihiro Matsuda, Sho Oketani. 3-dimensional homogenization finite element analysis of foamed rubber. IOP conference series: Materials Science and Engineering, 548, 012012, 2019.

Naoki Yajima, Shigeru Kawahara, Akihiro Matsuda. Evaluation of impact absorbing properties of thermoplastic elastomers. IOP conference series: Materials Science and Engineering, 548, 012008, 2019.

Akitaka Nomoto, Hiroki Yasutaka, Sho Oketani, Akihiro Matsuda. 2-Dimensional homogenization FEM Analysis of hyperelastic foamed rubber. The Engineering of Sport 11, Procedia Engineering, 147, 431-436, 2016.

Hitoshi Aoki, Takatsugu Shimana, Hiroki Sato, Ryuma Yabuki, Akihiro Matsuda. Joint torque calculation of compression sports spats using anisotropic hyperelastic model. The Engineering of Sport 11, Procedia Engineering, 147, 257-262, 2016.