A.脊柱裂 B.腦性癱瘓 C.脊髓灰質(zhì)炎 D.臂叢神經(jīng)麻痹 E.進(jìn)行性肌營(yíng)養(yǎng)不良
A.頸4~5神經(jīng)根 B.頸5~6神經(jīng)根 C.頸6~7神經(jīng)根 D.頸8~胸1神經(jīng)根 E.胸1~4神經(jīng)根