A nice look into some of the biomechanics, physiology and emotions in the 100m dash

Look for the metatarsal-tibia-femur connection as well as the metacarpal-ulna-humerus connection in the super slow motion sequences (5:50-6:00 and 11:50 to 12:24). Both connections work in spirals. Also listen to the role of emotions, trying too hard and the resultant “co-contractions” (or what Feldenkrais would call, “parasitic contractions”) in Asafa Powell’s defeat to Tyson Gay  (35:26 to 26:15)

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