Lift your legs
(1) Put your hands above the overhead parapet.
(2) Keep the left leg straight and the right leg as high as possible, but the right leg should also be kept straight. This action lasts for 5 seconds.
(3) Put the right foot down and change the left foot to repeat the lifting action.
(4) This action can be repeated by both feet 15 times.
Swing your stomach legs.
(1) Lie prone on the bed, bend your elbows with your hands and support the bed with your elbows.
(2) Hold your chin with your palm and let your upper body leave the bed completely.
(3) Put your feet together and bend your knees, and your thighs and calves are bent at a 90-degree angle.
(4) The left and right legs swing up rhythmically, and the heels beat the hips rhythmically.
(5) Keep doing this action for 5 minutes until you feel pain in your feet. ?