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①目的探讨利用颈丛运动支移位修复臂丛神经根性撕脱损伤的可行性，并为临床应用提供可靠的形态学资料。②方法应用显微解剖方法解剖观察了３０例成人尸体标本颈丛运动支的分支分布形式及其可供游离的长度和直径等。③结果颈２，颈３及颈４脊神经前支均发出运动支支配肩胛提肌及斜角肌群。其中尤以颈３及颈４脊神经发出的肩胛提肌支较为粗大且恒定。其长度分别为２７．５８±６．９９ｍｍ和３３．７４±６．５０ｍｍ，直径分别为０．９７±０．３５ｍｍ和１．１６±０．４５ｍｍ，平均截面积为０．２０ｍｍ，所含神经纤维平均为８５０条。④结论颈丛部分运动支具备足够的长度和直经，用其移位修复臂丛神经根性损伤是可行的。
Objective To investigate the feasibility of using brachial plexus brace to repair brachial plexus root avulsion injury and provide reliable morphological data for clinical application. Methods The microsurgical anatomy was used to dissect the branch distribution of the cervical plexus of 30 adult cadavers and their available length and diameter. ③ Results Neck 2, neck 3 and neck 4 anterior branch of the spinal cord were issued sports support branch scapula levator muscle and bevel muscle group. Especially in the neck 3 and neck 4 spinal nerve issued shoulder blade levator muscle relatively thick and constant. Its length were 27.58 ± 6.99mm and 33.74 ± 6.50mm, respectively, the diameter of 0.97 ± 0.35mm and 1.16 ± 0.45mm, the average cross-sectional area of 0.20mm, containing nerve The average fiber is 850. ④ Conclusion Some of the cervical plexus sports branch with enough length and straight, with its displacement brachial plexus root injury is feasible.