Weightlessness or simulated weightlessness has been shown to cause atrophy, to reduce contraction function, and to increase fatigability in rat hindlimb skeletal muscles.
航天失重或模拟失重能够引起下肢肌肉特别是抗重力肌发生废用性萎缩，并使肌肉的收缩力降低，疲劳性增加。
参考来源 - 去负荷比目鱼肌膜离子通道的变化及其意义
易疲劳性
英英释义
fatigability [ ,fætigə'biləti ]
n.susceptibility to fatigue; a tendency to get tired or lose strength