Action 1: 12 Push-ups. Hold the edge of the stool with both hands, with arms directly under the shoulders, legs straight back, back straight, elbows bent down until the chest almost touches the stool, then straighten your arms and get up and recover. Action 2, Bulgaria squat 12 times, change sides. Stand in front of the bench, chest out and abdomen in, back straight, hands akimbo, one foot on the bench, slowly squat down to about 90 degrees to your knees, and then get up and restore. Action 3: Support the left-right jump 16 times, stand on one side of the stool, lean over, hold both sides of the stool with both hands, tighten the core, put your arms together, jump from one side of the stool to the other, and then jump back after your feet are implemented.