Function: Exercise abdominal muscles, make the abdomen flat and firm, and help to reduce the fat accumulated in the abdomen.

Action: sitting posture, legs together and bending, fists on your sides. 1 When you beat, your feet are off the ground, your instep is straight, your knees are raised as high as possible, and your elbows are bent back. The second racket leg is straight and lifted, and the arm is straight and parallel to the leg. Repeat this action for 20 times, and finally stop for 5~ 10 second.

Note: when your arms are retracted, your body should be tightened as much as possible, and your feet should not touch the ground when you open them.