[Lie on your back and raise your head] mainly exercises the abdominal muscles.
Action essentials:When preparing to do the action, first lie down on your back on a mat (not too soft), place your hands on both sides of your body, keep your head straight, and then lift your chest , lift the legs off the ground at the same time.
It is best to touch your hands and toes, tighten your abdomen, and keep your legs as straight as possible. Do each group 10 times in a row, for a total of 3 groups.
