1, pedal exercise
Lie on the floor, press the floor with your back down, put your hands behind your head, raise your knees at a 45-degree angle, put your feet on the ground, and then touch your left ankle with your right ankle.
Step 2 lift your knees
Sitting on the edge of the chair, your feet naturally droop to the ground, tighten your abdomen, lean back slightly, your feet are a few centimeters off the ground, your knees are pulled to your chest, and your upper body is bent forward to maintain stability; Then put your feet back in place. Repeat.
Step 3 sit-ups
Lie flat and bend your knees, put your feet together and hook them around the bed, put a towel around your neck, pull one end of your hands, tuck in your abdomen and lift your body, slightly leave the bed surface and stay still.
Step 4 lift the ball
Lie on your back, hold the tennis ball and stretch your arms into the sky, keep your legs together and straighten, and hook your feet. Embrace your knees in your abdomen and lift your shoulders and head slightly off the bed, keeping still.
Ha ha! Try it, it feels good!