How simple is the fat on thin belly? 32 steps. See you jump 72 times.
First, take a prone position, naturally put your arms on the ground at both sides of your body, and then slowly lift your upper body upward. At this time, you mainly use the strength of your abdomen. Be careful not to support the ground with your hands. Keep the upper body elevated for about 10 second, then slowly lower and relax, and repeat the exercise.