世上无人不希望自己健康,可是,怎样才算健康呢?世界卫生组织下的定义是:所谓健康,不仅仅是不生病,而且是指以积极的态度去认真对待任何事情的精神、肉体和社会适应状态。那么怎样才能保持健康呢?除了在饮食、卫生、睡眠三方面要注意外,还必须运动。谈到运动,自然是与体育锻炼密不可分的,俗语说得好“生命在于运动”,这说明了运动对生命的存在具有重要意义。“一身动一身强”,虽为古人讲的一句话,但它揭示了体育锻炼能强身健体的深刻道理。我们只有充分认识到体育锻炼对增强体质有巨大作用,才能自觉地、科学地锻炼身体,从而提高健康水平。我们青年是社会建设的生力军,所以体育锻炼对于我们尤为重要。下面着重讲讲体育锻炼对运动系统机能影响。 运动系统主要由骨骼、关节、肌肉三部分组成,是人们从事劳动和运动的器官。 No one in the world does not want to be healthy, but what does it mean to be healthy? The definition under the World Health Organization is that the so-called health is not only not to be ill, but also refers to taking a positive attitude towards the spirit of any thing, Social adaptation. So how can we keep healthy? In addition to diet, health, sleep should pay attention to three aspects, but also must exercise. When it comes to exercise, nature is inextricably linked with physical exercise. The saying goes that “life is movement”, which shows that exercise is of great significance for the existence of life. “A move a strong”, although for the ancients say a word, but it reveals the physical exercise can exercise the profound truth. Only by fully recognizing that physical exercise can have a great effect on physical fitness can we exercise our bodies consciously and scientifically to improve our health. We youth are the new forces of social construction, so physical exercise is especially important to us. The following emphasis on physical exercise on the performance of sports systems. Sports system is mainly composed of bones, joints, muscles, is part of people engaged in labor and exercise organs.