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1·An incision is made along the floor of the bicipital groove.

沿肱骨沟的底部切开一个切口。

2·Results: The relationship between bicipital aponeurosis and median nerve: 80% non-covered type (40), 12% partially covered (6) and 8% completely covered type (4).

结果：肱二头肌键膜与正中神经的关系：非覆盖型80%(40侧)，部分覆盖型12%(6侧)和全覆盖型4侧(8%)。