克利夫兰诊所:30岁之后肌肉量将开始流失.每年1%.吃瘦肉蛋白、全谷食物&菜蔬有益于减缓进程. After age 30 you begin to lose muscle mass at a rate of 1% per year. Eating lean proteins whole grains & veggies will help avoid muscle loss.