小腿三头肌肌力评价坐骨神经运动功能恢复的实验研究

EXPERIMENTAS STUDY OF EVALUATING THE RAT SCIATIC NERVE FUNCTIONAL RECOVERY BY MISCLE STRENGTH OF TRICEPS SURAE MUSCLE

为证实用小腿三头肌肌力作为评价大鼠坐骨神经功能恢复的可靠指标，分别于神经损伤或修复后１０天至６个月进行肌力、神经电生理及组织形态学评价。结果显示，小腿三头肌单收缩肌力和强直收缩肌力与各项电生理及组织形态学指标呈正相关，ｒ＝０．９２９～０．９９６（Ｐ＜０．０１～０．００１）。结果表明，用小腿三头肌单收缩肌力和强直收缩肌力评价坐骨神经再生及功能恢复是非常可靠的，值得推广。

AbstractIn order to confirm the reliability of musclestrengh of triceps sllrae muscle as an index ofevaluating the rat sciatic nerve functionalrecovery,the muscle strength,electrophysiolo-gical and morphometric assessment were carriedout from 10th days to 6th months after thenerye was injured or repaired.The rcsultsshowed that single contracted muscle strengthand rigidity contracted muscle strensth werepositive correlation with each electrophysiol-gical and morpeometric index,r=0.929-0.996(P<0.01-0.001).It was tured out to be thatmuscle strength of triceps surae was a reliableindex in evaluating the rat sciatic nerve rege-neration and functional recovery and could bewiely used.