牵拉增加肌梭传入放电的实验观察
Stretch Activate Afferent Discharge of Muscle Spindle
摘要
目的观察牵拉刺激（刺激强度）及其它实验因素对肌梭放电频率的影响。方法制备蟾蜍离体坐骨神经-缝匠肌标本,用BL-420生物机能系统记录牵拉刺激及实验因素对肌梭传入放电活动的影响。结果牵拉刺激增强,肌梭的传入放电频率增加;牵拉力度相同时,快速牵拉较缓慢牵拉引发更多的肌梭放电。结论肌梭是肌肉长度感受器,有快适应和慢适应两种现象,其敏感性受肌肉长度及温度的影响。
Abstract
Objective To observe the effect of stretch and experimental factors on afferent discharge frequency of muscle spindle.Methods By BL-420 biology function recording system,the afferent discharge of isolated toad sartorial muscle spindle was recorded,and the
关键词
肌梭/传入放电/牵拉Key words
muscle spindle/afferent discharge/stretch引用本文复制引用
出版年
2011
NETL
NSTL
万方数据