While most muscles in mammals contain a mixture of slow- and fast-twitch fiber types, some muscle beds are enriched for one type or the other, Spiegelman said.
Spiegelman说，大部分哺乳动物的肌肉包含两种类型的肌纤维，但有些肌肉是偏重于富含其中的一种。
Your distance runs, of course, produce aerobic gains, including increased blood volume and capillarization, enhanced mitochondrial density and size, and improved slow-twitch fiber development.
你的耐力训练可以提高你的有氧能力，包括增加血液量和斜阳能力，提高线粒体的密度和体积，促进慢肌纤维的发育。
Objective to investigate the change of enzyme and twitch muscle fiber in spasmodic muscle after sympathectomy.
目的探讨交感神经切断后，痉挛肌肉内酶与肌纤维结构的改变。
Some research has shown that the greatest benefits from taper occur in fast-twitch muscle fiber, the type of muscle primarily used by sprinters.
一些研究显示，恢复的最大的受益者产生于快速收缩肌肉纤维中，这种类型的肌肉，主要是冲刺(短距离)运动员使用的。
After about two weeks of taper, fast-twitch muscle fiber shows greatly increased muscle power, contraction speed and force.
在恢复的两周后，快速收缩肌肉纤维显示显著增强了肌肉能量，收缩速度以及力度。
After about two weeks of taper, fast-twitch muscle fiber shows greatly increased muscle power, contraction speed and force.
在恢复的两周后，快速收缩肌肉纤维显示显著增强了肌肉能量，收缩速度以及力度。
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