You can do yoga stretching. Every action has a name of a small animal, which is easy to remember! Cat Stretching: First, sink the chest to the lowest level, and look up: arch the upper back, lower the head, relax the whole body, exert force on the camel's waist and buttocks, retract the shoulder blades, relax the head, make the thighs as vertical as possible to the ground, rest the lower body on the mat, and exert force on the lower waist to make the upper body leave the ground. This action can be done with instruments or directly on the yoga mat. If your upper body stands up, it is better to open your hands and open the goat to stand up. If you have the ability, you can do a breaststroke, stretch your arms forward, stand on your stomach on the mat, and lift your left foot and right arm at the same time. After holding for 2-4 seconds, exchange the contralateral arm and contralateral foot for 2-4 seconds, and so on 15 times.