We aimed to clarify the difference in lower leg segment kinetics of soccer instep kicking between female and male players. Instep kicking of seven female and seven male university soccer players were captured at 500Hz. There was no significant difference between female and male groups for peak forward lower leg angular velocity while female players exhibited significantly smaller angular impulse due to knee joint moment than that of male players. On the other hand, female players showed comparable angular impulse due to the interaction moment acting on the lower leg to that of male players. It can be considered that the interaction moment acting on the lower leg of female players may compensate their reduced exertion of knee joint moment during kicking, thereby achieving comparable lower leg angular velocity to that of male players.
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