游泳不仅可以增进健康 ,而且对改善脑力劳动者单调的心理环境、丰富精神生活、减缓细胞的老化、防治忧郁症都有积极作用。游泳对中、老年人来说是一项十分适宜的体育运动。这是因为水的浮力作用使人在水中的重量只相当于自身重量的１０% ,不需要用多大力量就可在水中运动自如。 Swimming not only can improve health, but also to improve the mentality mental environment monotonous, enrich spiritual life, slow cell aging, prevention and treatment of depression have a positive effect. Swim for the elderly, the elderly is a very suitable sport. This is because the buoyancy effect of water makes the weight in water equal to 10% of its own weight, and does not need much power to move freely in the water.