腓总神经自窝上角处坐骨神经分出后 ,沿股二头肌腱内侧缘向外下行 ,至腓骨颈外侧 ,穿过腓骨长肌至腓骨颈的前面 ,分为腓深神经和腓浅神经 ,也是小腿和足背的主要感觉神经 ,腓总神经主干损伤后主要表现为 :足不能背屈 ,不能外翻 ,不能伸趾 ,可呈“马蹄内翻足”。小腿前外侧 , The common peroneal nerve from the popliteal fossa sciatic nerve points out, along the medial edge of the biceps outward descending to the lateral fibular neck, through the peroneus longus muscle to the front of the fibula neck, divided into deep peroneal nerve and peroneal nerve , But also the main sensory nerve of the lower leg and dorsalis pedis, the main manifestations of the main peroneal nerve injury are: can not dorsiflexion, can not valgus, can not be extended toe, can be “clubfoot.” Anterior lateral leg,