# 運動員愈擅於使臀肌和核心肌群出力,並有意識地利用脛後肌把足部推離地面,足部接觸地面的時間就愈少。接觸時間減少通常也表示腳步會變快,腳步變快但步伐大小不變的狀況下,整體的表現會變好。——《跑步解剖書 第2版》
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