游泳是在水中进行的身体活动,所以与其他运动项目相比,游泳有其独特特点。游泳是臂、腿与呼吸节奏密切配合的周期性运动项目,也是所有大肌群都均衡参与的运动项目。游泳既可促进力量、速度水平的提高,也可促进 Swimming is physical activity in the water, so swimming has its own unique characteristics compared to other sports. Swimming is a periodic exercise that closely follows the arms and legs and breathing rhythm and is also a sport in which all major muscle groups are well-balanced. Swimming can promote strength, increase the speed level, but also can promote