有三个主要的蛋白质弥补收缩机制，骨骼肌。
There are three main proteins that make up the contractile mechanism in skeletal muscle.
为研究慢性低氧及跑台训练对大鼠骨骼肌肌球蛋白重链(mhc)亚型基因表达的影响，对揭示肌肉收缩蛋白性能的变化机制具有特定的意义。
The purpose of this paper is to investigate the influences on the gene expression of myosin heavy chain (MHC) isoforms of skeletal muscle in rats by chronic hypoxia and exercise training.
结果：三叉神经可以明显减轻面肌MHC各亚型去神经后的蛋白降解，维持肌纤维的兴奋阈值，保持肌纤维的最大收缩力。
Results: trigeminus nerves could delay the decomposing of MHC, maintain the tension of contraction and the threshold value of electrical stimulation;
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