1。 Lie flat on the floor (the bed is too soft), with your legs shoulder-width apart and your feet outside. Keep your hands straight, put them at your sides and relax.

2。 Shake your feet regularly and do our usual "bye-bye" action, not too fast. At this time, I will feel my pelvis relaxed. This action is about sitting 1 minute.

3。 Support your body slightly with your arms, with your hands shoulder-width apart and your body straight. At this time, only the heel and palm touch the ground. Repeat the action of 2, shake your feet and say "bye-bye". Do 10 second.

4。 Lie flat, straighten your feet, slowly raise the distance from the ground by 30 cm, count to 10 second, put it down hard, and repeat for 3 times. Then, repeat the above three steps. This is a warm-up, and you will feel warmer.

5。 Lie flat as before, with your feet splayed, your legs raised at 30 degrees to the ground, and then hit each other hard at the second joint of your thumb (that is, the joint between your thumb and the sole of your foot). Be sure to push hard, although it will hurt. Knock 10 Put it down. Then repeat it.