Thin belly: Sit in a fixed chair with your feet flat on the ground. Keep your spine straight, grab the fitness ball (or similar weight) with both hands, and put your arms straight and flat on your chest. Keep an upright posture, turn your body to the right, and keep your head, neck and trunk in a straight line, always facing the ball; Inhale, return to the starting position and turn left. Turn slowly for about a minute, and then continue to do the fourth action.
Sit astride thin abdomen: sit in a fixed chair with your feet flat on the ground. Straighten your spine, bend your arms 90 degrees, with your upper arms shoulder height, your forearms perpendicular to the ground, and your fingers facing the ceiling. Exhale and gradually approach the left elbow and right knee; Inhale and put the left elbow and right knee back to their original positions; Repeat the same action with your right elbow and knee. Repeat this action slowly in one minute, and then do the third action.
These three movements are especially suitable for office workers, and they can all be done on the office chair. If you do these three actions during the break every day, one of them will be effective, and you can also refer to the weight loss methods shared by the public.