猫肌梭内肌纤维的牵张诱导收缩。
Stretch-induced contraction of intrafusal muscle in cat muscle spindle.
作者信息
Poppele R E, Quick D C
出版信息
J Neurosci. 1981 Oct;1(10):1069-74. doi: 10.1523/JNEUROSCI.01-10-01069.1981.
Abstract
Measurements of tension, stiffness, and sarcomere length of intrafusal muscle during ramp stretch of isolated muscle spindles have revealed a stretch-induced contraction of the bag1 fiber. This behavior can account for the very high sensitivity of primary endings to stretch as well as the enhanced sensitivity evoked by dynamic fusimotor stimulation.
摘要
在对分离的肌梭进行斜坡拉伸时，对梭内肌的张力、刚度和肌节长度的测量显示，袋状1纤维存在拉伸诱导的收缩。这种行为可以解释初级末梢对拉伸的极高敏感性以及动态肌梭运动刺激所诱发的增强敏感性。
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