是臂丛后束的分支,含第5~6颈神经前支的纤维,自臂丛后束发起后,与旋肱后动脉伴行向后外穿过四边孔,绕肱骨外科颈行于三角肌深面。沿途分支布于三角肌、小圆肌和臂外侧皮肤。
腋神经主要分支有前支和后支。
Anterior and posterior branches are the main branches of the axillary nerve.
目的探讨腋神经损伤手术治疗的方法。
Objective To study the operative therapy on axillary nerve injury.
腋神经入肌部位在大圆肌下缘以上发出。
The entering sites of axillaris nerve are all above the distal rim of the larger round muscle.
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