游泳是夏季最佳减肥运动

游泳是夏季最佳减肥运动。

人在水中活动的阻力比在陆地上大12倍，游泳30分钟就可以消耗260多卡路里的热量，夏季在水中既清凉解暑又享瘦，一举多得，还等什么，约几个好友这个周末就去游泳吧。

游泳高强度燃脂首先，我们来认识一下游泳。

游泳是一项全身性运动，有助提高你的心肺功能，而且能锻炼你几乎所有的肌肉。

尤其是坚持有规律的强化训练，几个月的功夫就能使你“脱胎换骨”。

在水中，人的骨骼得到了充分放松，可以有机会？“伸一下懒腰”，这对于保持挺拔的身材很有好处。

对于正在长身体的青少年，经常坚持游泳锻炼还能帮助“长个儿”。

水的密度和传热性能都比空气大，所以游泳消耗的能量也比其它运动要多。

实验表明，在12度的水中停留4分钟所消耗的热量，相当于在同等温度的陆地一小时所消耗的热量。

可见在同等时间、强度下，水中消耗的热量要比陆地大得多。

运动中所消耗的能量是靠体内的糖和脂肪来不断补充的，所以经常游泳就会逐渐减掉体内多余的脂肪。

游泳加快新陈代谢速度人在水中活动的阻力比在陆地上大12倍。

手脚在水中运动时，你一定能感受到强大的阻力，所以背部、胸部、腹部、臀部和腿部的肌肉能在游泳中得到很好的锻炼。

游泳运动员身上那线条鲜明的肌肉，就是最好的证据。

游泳时人的新陈代谢速度很快，30分钟就可以消耗260多卡路里的热量，而且这样的代谢速度在你离开水后还能保持一段时间，可见游泳是理想的减肥方法。

游泳减肥效果不佳的原因既然游泳有这么好的减肥塑身作用，为什么有人游了却不见瘦呢？资深健身教练认为，谈到运动与减肥问题，首先要明白运动与能量消耗的关系。

运动过程中，能量消耗分三个阶段完成，分别是糖代谢、脂肪代谢、蛋白质代谢，减肥通过脂肪消耗达到效果。

1、运动量不足有的人游泳后减肥效果不佳，可能是因为运动量不足。

游泳在开始时，处于无氧运动阶段。

能量消耗主要靠糖的无氧酵解，这一阶段的运动很激烈，人呼吸短促，供氧不足，根本不会动用到脂肪。

再继续运动下去，人体开始进入有氧运动阶段。

在随后的一个小时里，中等强度的运动状态下，能量供应由糖的有氧代谢提供能量。

如果要减肥，每次游泳时间应在40分钟以上，才开始消耗脂肪。

2、游泳后饮食不节制至于游泳会导致脂肪层加厚，只有长期在水中进行训练的专业游泳运动员，才会适应性地增加皮下脂肪厚度，用以阻止热量的丢失。

作为普通的游泳爱好者，游泳不会长脂肪，游泳后饮食不节制，才会瘦不下来。

人在运动后都有一个“超量恢复”的现象。

简单地说，就是人体为适应下一阶段运动水平的提高，在每次运动后，都要摄入比以前更多的能量，这是人体的一种自我保护。

所以，游泳之后人们常常感觉吃得香睡得好，消耗的热量又补回来，甚至比消耗的还多。

肥胖的人游泳之后常常会比以前更容易饿，摄入的能量也更多。

如果不注意节食，尤其运动一段时间后又停止，最容易使体重超过原来水平。

姿势正确效果才好游泳教练指出，游泳时技术动作很重要。

如果技术动作不规范，不但锻炼目的达不到，该练的肌肉也得不到锻炼，这就是人们常说的练“偏”了。

例如，游泳时主要靠腿部的力量。

腿部力量的增强对成绩起着关键的作用，但很多人游泳时只重视上肢动作，腿部基本不动。

这样，游起来不仅很吃力，本可以提供动力的腿部反而成了累赘。

由于四种泳姿着重锻炼的部位有所不同，游泳者可以选择自己喜欢的泳姿，着重加强身体某个部位的力量训练，有针对性地减掉身上的赘肉。

1、蛙泳——腿部力量自由泳、仰泳的大腿方式都是上下打水，只有蛙泳是蹬夹，前者能够使腿更修长，而后者更多用到大腿股四头肌，因此对加强腿部力量很有效。

2、蝶泳——胸部力量蝶泳时，手臂向内划水，类似在做扩胸运动，对胸大肌、背扩肌、腹直肌用力较多，锻炼效果也最好。

3、自由泳——臂部力量自由泳时，上臂的肱二头肌、肱三头肌用力较多，可以有效锻炼臂部肌肉，同时对肩部肌肉力量的提高，也具有一定的促进作用。

4、仰泳——背部力量仰泳时，背扩肌用力会较多，可以使背部肌肉得到舒展。

此外，仰泳时需要提臀滑行，对臀部也是一种锻炼。

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