Action two? Stand up straight with your feet together, keep your back straight and tighten your abdomen, then jump with your feet. When landing, your feet should be shoulder width apart, and at the same time, your arms should be raised straight above your head, clap your hands, and then your feet should jump up. When landing, your feet should be together, and your arms should naturally hang at your sides. This action is repeated 30 times.
Action three? Stand up straight, with your feet shoulder width apart, bend your elbows with your arms, put your hands in front of you, keep your back straight and tighten your abdomen, then take a little step to the left with your left foot, while your left leg kneels, keep your right leg straight and your upper body slightly downward to the left; Restore the initial state, then take a step to the right with your right leg slightly, kneel down with your right leg, keep your left leg straight, and lower your upper body slightly to the right. This action is repeated 30 times.
Action four? Lie flat on the yoga mat, put your arms straight and flat on the yoga mat, keep your legs together and straight slightly off the ground, keep your toes straight, keep your back straight, tighten your abdomen, and then raise and lower your feet alternately. This action is repeated 30 times. Note that during exercise, always keep your back straight, tighten your abdomen and keep your feet off the ground.