1, leg lifting: generally, on professional instruments, the front arm is supported and the legs are lifted with knees bent; Or grab the horizontal bar with both hands, bend your knees and lift your legs.

2. Lie on your back and lift your legs: Lie flat on the dumbbell stool, hold the stool surface or legs with your hands behind your head, bend your knees to 120 degrees, lift them to 90 degrees with the ground, and then restore and repeat.

Or stick to the following combination of sports.

1, 2 kg small dumbbell arm shaping;

2, 40 sit-ups a day, divided into three groups;

3, 20 push-ups a day, even if you can't achieve the goal of losing weight after a while, you will stay slim.

There are treadmills, exercise bikes and so on.