Stand up straight, with your feet shoulder-width apart and your arms drooping naturally. Raise the right leg to the knee to pat the leg and restore it; Raise your left leg to your knees, pat your legs, and restore. Alternate left and right, * * * do four 8 beats.

Pay attention to balance when doing actions, and don't overdo it to avoid strain. Especially when squatting, the knee joint should not exceed the toes.

Warm-up and stretching are essential links in walking;

Warm-up can make the body quickly enter the state of exercise and prevent injury; Stretching can restore the body function to a quiet level, accelerate the elimination of fatigue and reduce muscle soreness. Experts recommend several warm-up and stretching exercises to reduce sports accidents.