Application: treat pain behind the knee cap, acute lumbar muscle injury. Bleeding of wei zhong point can obtain instant relief. For treatment of chronic pain of lumbar, leg muscle, sciatica, paralysis of lower lumbs.

委中穴

定位: 位於膝後膕窩橫紋的正中央筋間的凹陷處。在股二头肌和半肌腱之間。

主治: 治膝蓋後側的痛，急性腰扭傷，委中放血，立刻緩解。又治腰背腿的痛症，坐骨神經痛，下肢癱瘓。