推荐回答(4个)
作为一个整理了10万字减肥笔记的人,我十分反感有些营养师推荐他们的学员使用节食减肥。因为,多大多数人来讲,使用节食进行减肥从长期来看注定了是要失败的。
节食意味着吃不饱,人在吃不饱的情况下就会进入“饥饿模式”。一旦人体进入了饥饿模式,减肥将会变得难上加难。
首先,节食初期,你没有为身体补充足够的能量,你的身体不得不启动燃烧脂肪的程序,消耗更多的脂肪为你提供能量,因此,在这个阶段,你的体重会有一个明显的下降。但是你不要为此沾沾自喜,可怕的事情还在后头。
当你长期都处于吃不饱的状态时,你的身体会错误的以为你正在经历一个食物匮乏的饥荒时期。为了提高你在饥荒时期活下去的概率,你的身体将尽一切可能降低能量的消耗,常见的有降低新陈代谢率,减少肌肉含量,增加食欲,不爱运动等。一旦你的身体启动了节约能量的程序,你的身体燃烧的卡路里将会非常少,这就使得减肥变得更加困难了。
总有一天,饥饿模式会将你的食欲放大到极限,到时候你根本不能控制住自己继续节食。一旦你放开了胃口大吃大喝,反弹就会随后而至。
所以,“吃不饱哪有力气减肥”不是一句玩笑话,而是有一定科学依据的。
奉劝每一个努力减肥的人——先把自己喂饱,然后再去减肥,千万不要饿着肚子减肥,那样只会徒劳无益。
(注:我是一个记录了10万字减肥笔记的人,打算把自己的减肥心得写成文章与大家分享,希望大家能支持。大家如果有减肥方面的问题,也可以问我啊!)
因为开始用节食的方式进行减肥的时候,由于摄入减少了,开始的时候,身体会调动一部分的脂肪参与能量供应,满足身体的需要。当持续节食后,身体就认为是出现饥荒了,在继续调动消耗脂肪外,也进入应对“饥荒”的模式,比如降低身体的总体代谢水平,分解一部分“多余”的肌肉,最大限度的减少身体消耗,并且增加对所摄入的食物的营养成分的吸收度,使消耗与摄入重新达到平衡——此时的平衡要比原来的低很多。当新的平衡形成后,体重自然就停止下降了,要想继续下降,就得再减少摄入,或者想办法增加消耗。
可怕的时候,当减肥者看到体重达到预期后,就认为减肥成功了,就会开始恢复饮食,这时反弹就是非常容易了。
很多人都有节食减肥的经历,最快的时候,一个月甚至可以减2-3十斤,这种减肥的方法前期会快速减掉体内的水分,也包含一些肌肉和矿物质,实际上脂肪并没减少那么多,当恢复饮食之后,水分又快速的回来了,而且长期低热量模式,会让脂肪合成的能力大大增强,
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