Lose weight, abdomen abdomen.

Lie flat on the bed, keep your upper body still, straighten your legs, slowly lift to 45 degrees, and then slowly fall, but don't touch the bed.

Then lift and fall again, repeat. Take a rest when you are tired.

Absolutely easy to use, but it will be very hard, especially to lose weight.

Whether it works or not, you actually feel it once, because when you exercise, you can feel your stomach pushing hard. ...