骨骼肌衰弱作为年老的不可避免的伴随症状被广泛接受,但发生机理并不清楚。研究表明,有频繁跌跤史的老年人,与平衡有关的肌群如膝伸、屈肌及踝蹠屈、背伸肌肌力明显不足。老年性骨骼肌衰弱发生于动物包括人类,很大程度上是不可避免的,且坚 Skeletal muscle weakness as the elderly inevitable accompanying symptoms are widely accepted, but the mechanism of occurrence is not clear. Studies have shown that the elderly with frequent falls, the balance of the muscles such as knee extension, flexor and ankle plantar flexion, dorsal extensor muscle strength was significantly insufficient. Senile skeletal muscle weakness occurs in animals, including humans, is largely inevitable, and Kennedy