Conclusions Muscul ar branches of biceps and deltoid contain less n erve fiber s.Partial fascicle transfer from the donor nerves can provide sufficiemt nerve fibers to reinnervate biceps and deltoid.

• 结论肱二头肌肌支、三角肌肌支的神经纤维数量少,用供体神经部分神经束即可提供充足的神经纤维,且能保证移位的神经纤维能良好地长入肱二头肌和三角肌。