A.尺神經(jīng) B.橈神經(jīng) C.正中神經(jīng) D.肌皮神經(jīng) E.腋神經(jīng)
A.頸5~胸3 B.頸5~胸2 C.頸4~胸1 D.頸4~胸2 E.頸5~胸1
A.胸長神經(jīng) B.橈神經(jīng) C.腋神經(jīng) D.胸背神經(jīng) E.肌皮神經(jīng)