There is a misunderstanding in this, for example, 1 building is a big misunderstanding. Doing push-ups and sit-ups can only make muscles strong and have no effect on losing weight. Moreover, there is no saying that an action can lose a part. If you want to lose weight, no matter which part, you have to consume all your energy to achieve the effect. Don't be deceived by cheating means such as reducing stomach and waist in TV advertisements. Let's go