Action focus: sit in front of the sofa, knees together, upper body twisted in the opposite direction. Do it three times after each 10 second, and then switch sides.
Stretching position: left and right waist muscles.
Step 2: Side waist
Action focus: lean on the handle of the sofa, stretch easily, pause for 5 to 10 seconds, then change sides and do it three times in turn.
Stretching position: left and right waist.
The third step: lift your hips and abdomen.
Action focus: Sit at the front of the sofa, hold the handle of the sofa with both hands, lift with your feet together and knees up, stop for 2 seconds every time you lift 1 time, then put it down and go back and forth1time.
If you think the above methods are troublesome, you can try to lose weight.