美国的专家研究发现,一些简单的训练,如抛接球可以改善老年人的身体平衡性,预防跌倒。研究者认为,当一个人被推挤、碰撞或即将跌倒时,大脑会采用两种策略保持平衡。第一种是预防性的,比如,走在街上看到有人即将撞到自己,大脑就会激活防止震动的肌肉,使全身紧绷;另一种策略是纠正性的,即在失去平衡后,大脑才调动相关肌肉,改变身体姿势。随着年龄的增长,人们会逐渐 US experts study found that some simple training, such as throwing the ball can improve the physical balance of the elderly to prevent falls. The researchers believe that when a person is pushed, bump or is about to fall, the brain adopts two strategies to balance it. The first is prophylactic. For example, walking down the street sees someone coming up against themselves, the brain activates the muscles against vibrations and makes the body tight. The other strategy is corrective, that is, after losing balance , The brain mobilized the relevant muscles, changing body posture. As you grow older, people will gradually