The best exercise for abdominal muscles: air pedaling
This action is the best fitness exercise for the rectus abdominis (i.e. "six-pack abs") and oblique muscles (i.e. waist).
The correct action is:
1. Lie on your back on the floor;
2. Draw your knees toward your chest, Lift both shoulder blades off the floor;
3. Straighten your left leg to about a 45-degree angle with the ground, and at the same time twist your upper body to the right, bringing your left elbow closer to your right knee;
4. Take turns left and right, like riding a bicycle. It is recommended to do 12-16 times.
