Objective To help treatment of muscles and nerves lesion in dorsum of antebrachium, an anatomic study of the terminal branches of posterior interosseous nerve(PIN) was carried out.
目的进行前臂骨间后神经终末支解剖学研究，为前臂背侧神经肌肉损伤的治疗提供依据。
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Results the end part of the posterior interosseous nerve innervated the area of extensor muscles of the wrist and finger and the dorsal periosteum of the ulna and radial bone.