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一位从事体力劳动的工人,每天坚持做广播操,周围的人议论说:“整天干体力劳动,何需做广播操?”果真如此吗?近代运动生理学家认为:体力劳动并不能代替体育活动。其原因是:一、从事体力劳动的人,长期做几个简单的动作,重复几种固定的姿势,由此经常用力的肌肉群得到发展;反之,用力小的肌肉群得不到锻炼,这就造成了职业性体型的不匀发育,影响健美。二、某些劳动需要弯腰驼背。如搬
A worker engaged in manual labor, every day to adhere to the radio broadcast, the people around said: “All day long manual labor, why broadcast?” Really? Modern exercise physiologists think: manual labor does not Instead of sports activities. The reason is: First, engaged in manual labor, long-term to do a few simple moves, repeated several fixed posture, which often force the development of muscle groups; the other hand, with little muscle groups can not exercise, which Has caused the uneven development of occupational body shape, affecting bodybuilding. Second, some labor needs to hunched over. Such as moving