Active and passive insufficiency can be hard concepts to grasp. In this video I explain how biarticular muscles literally "run out of room" ... ... <看更多>

【主動不足（active insufficiency）】 . 當肌肉長度在「過度縮短」的位置，會使肌肉能「主動出的力減少」，這樣的現象我們稱為主動不足（active insufficiency）。 ... <看更多>

Sep 3, 2018 - What is Active Insufficiency and passive insufficiency of muscel.Active insufficiency occurs when a multi-joint muscle reaches a shortened ... ... <看更多>

Sep 3, 2018 - What is Active Insufficiency and passive insufficiency of muscel.Active insufficiency occurs when a multi-joint muscle reaches a shortened ... ... <看更多>