The abdomen is the center of gravity of the human body, so one of the easiest parts to gain weight is the abdomen. Can reduce the fat on the stomach, then there is basically no excess fat in the legs, hips, arms and other parts. Most of the daily physical activities of teenagers should be aerobic activities. At the same time, do high-intensity physical activities at least three times a week, including activities to strengthen muscles and bones. So the following exercise is completely suitable for boys aged 14.

Thin belly's method:

1, jump in place for 3 minutes+sit-ups 1 min;

2. Jump in place for 3 minutes+squat with bare hands 1 minute;

3. Jump in place for 3 minutes+push-ups 1 minute;

4. Jump in place for 3 minutes+supine leg lift 1 minute;

5. Jump in place for 3 minutes+squat with bare hands 1 minute;

6. Jump in place for 3 minutes+plate support 1 minute;

7. Jump in place for 3 minutes+reverse flexion and extension push 1 minute;

8. Jump in place for 3 minutes+sit with your legs closed 1 minute;

9. Jump in place for 3 minutes+supine knees and hips 1 minute;

10, jumping in place for 3 minutes+supine knees and legs closed 1 min;

Precautions:

The important thing is that there is no rest time in the middle (if you really can't persist, you can rest for about 5 seconds, or wait until your physical strength is restored before changing stations and jumping)! This set of movements is a combination of low-intensity in-situ jumping and high-intensity exercise movements, which can exercise abdominal muscles and lose weight all over the body. Do it about 3 to 5 times a week.