Efficacy: balance the nervous system, enhance the control and balance of the body, and make the leg muscles more slender.

arch form

Lie prone, bend your knees, keep your heels close to your hips, and grab your ankles with both hands. Inhale, hunch your back and lift your feet, and lift your head and chest together. Hold your breath for six seconds and look up. Exhale, slowly lower your legs, chest and head and return to the starting position. Then relax. Practice for 5 rounds.