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体育健身能增强体质、促进身心健康。要使体育健身科学有效,健身者除应具有良好的习惯和顽强的毅力以外,还应注意什么呢?体育健身的效果与运动量的关系体育锻炼的效果好坏,往往取决于运动量的大小。如果运动量非常小,不用动员内脏器官的潜力就可以负担下来,这样就达不到提高内脏器官机能的目的,因而收到的实效就小。如果运动量持续过大,在安排训练时又缺乏必要的节奏,长期超过人体负荷的极限,则可能引起人体产生两种反应:一种是急性的,一种是慢性的。急性反应表现为:在运动时,由于心脏负
Physical fitness can enhance physical fitness and promote physical and mental health. In order to make sports fitness science effective, fitness should have good habits and indomitable perseverance, but also pay attention to what? The effect of sports fitness and the amount of exercise Physical exercise is good or bad, often depends on the size of the amount of exercise. If the amount of exercise is very small, do not mobilize the potential of internal organs can be affordable, so as to achieve the purpose of improving the function of internal organs, which received little effect. If the exercise continues too large, lack of the necessary rhythm in arranging training, long-term exceeding the limits of the human body load, it may cause the body to produce two kinds of reactions: one is acute, one is chronic. Acute reactions manifested as: in exercise, due to the negative heart