[运动减退情况下“快”肌和“慢”肌纺锤体对机械刺激的反应]
[Responses to the spindles of "fast" and "slow" muscles to mechanical stimulation in the presence of hypokinesia].
作者信息
Arutiunian R S, Nasledov G A
出版信息
Neirofiziologiia. 1978;10(2):186-92.
PMID:148595
Abstract
The activity of muscle spindles was investigated in fast (extensor digitorum longus) and "slow" (soleus) muscles of the cat hind limb 2-5 weeks after immobilization. The spontaneous activity of spindles in both muscles remained unchanged. The background activity, the frequency of dynamic and static phases of stretching in primary as well as in secondary endings was much higher in immobilized muscle than in control. This increase in spindle activity was more pronounced in the "slow" muscle.
摘要
在猫后肢固定2至5周后，对其快速（趾长伸肌）和“慢速”（比目鱼肌）肌肉中的肌梭活动进行了研究。两种肌肉中肌梭的自发活动均保持不变。与对照组相比，固定肌肉中初级和次级末梢的背景活动、拉伸动态和静态阶段的频率要高得多。这种肌梭活动的增加在“慢速”肌肉中更为明显。
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