★ Professor Takagi’s article was published in Journal of Biomechanics
– Title: Effect of leg kick on active drag in front-crawl swimming: comparison of whole stroke and armsonly stroke during front-crawl and the streamlined position
– Author: Kenzo Narita,Motomu Nakashima and Hideki Takagi
– Jurnal: Journal of Biomechanics
– Link: https://pubmed.ncbi.nlm.nih.gov/29921521/