屈臂时，肱三头肌为对抗肌。
结论：依据肱三头肌长头及其血管神经蒂的特点，可作为肩外展功能重建术中的动力肌。
Conclusion: According to the characters of long head of triceps muscle and pedicel of vessel and nerve, the muscle was suitable for reconstruction surgery of shoulder.
目的：为肱三头肌外侧头的神经肌支移位和游离肌皮瓣移植提供解剖学基础。
Objective: To provide anatomical basis for transferring of free musculocutaneous flap and muscular nerve branches of lateral head of triceps brachii(LHT).
结论臂丛上干损伤后，桡神经肱三头肌外侧头支可转位修复腋神经、肌皮神经。
Conclusion The lateral heads of brachial triceps branches of radial nerve can be transfered to repaire axillary nerve or musculocutaneous nerve.
与此同时，肱二头肌放松，使肱三头肌能够把它恢复到原位。
At the same time, the biceps relaxes so the triceps can pull it back to its original length.
而后上臂的肱三头肌则是一块伸肌，当它运动时，肘部就伸直，而前臂和手就离开了肩部。
The tricepes muscle in the back of the upper arm is an extensor. When it contracts, the elbow strainghtens and the forearm and hand move away from the shoulder.
计算结果表明：引起肘内翻的力主要是肱肌力和肱三头肌力；
The results indicate :1)the forces of brachialis muscle and triceps muscle are responsible for varus deformity of elbow;
取大鼠肱三头肌，采用二步消化法分离骨骼肌卫星细胞，体外进行原代培养和传代培养。
Rat triceps brachii muscle was acquired to separate skeletal muscle satellite cells with the two-step method of collegenase-1 and trypsin and were cultured and subcultured in vitro.
结论：肱三头肌外侧头肌支有足够长度和横径，在肌门处可无张力移位至肌皮神经肱二头肌支及部分腋神经肌支。
Conclusions: Radial nerve branches of LHT have both enough length and diameter to anastomose nerve branches of musculocutaneous nerve and partial axillaris nerve;
结论：肱三头肌外侧头肌支有足够长度和横径，在肌门处可无张力移位至肌皮神经肱二头肌支及部分腋神经肌支。
Conclusions: Radial nerve branches of LHT have both enough length and diameter to anastomose nerve branches of musculocutaneous nerve and partial axillaris nerve;
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