1. Abdominal jump means that your feet are shoulder width apart and then jump in place. After jumping, you tuck in your abdomen and curl up in front of your upper body at the same time.

2, abdominal jumping exercise:

(1) Bend your knees and put your hands in front of your stomach naturally.

(2) Prepare for takeoff.

(3) Colleagues with tummy tuck jump up and try to let their palms touch their knees.

(4) After recovering the position of the body, repeat the exercise.