1 fitness ball exercise lets you lie on the fitness ball, let your lower back touch the fitness ball, put your hands across your chest and hold your head. Lift your upper body at the waist, let your body leave the fitness ball and pay attention to balance. Then lie down and repeat this action, just like doing sit-ups on a fitness ball, which can effectively slim the waist and abdomen.

2 Bicycle practice lies flat on the floor, hands behind the head, the left leg knee bends as close as possible to the chest, the right elbow is close to the left leg knee, and the right shoulder list is raised accordingly. Then repeat this action on the other side.

3 Lift the ball on your back, hold the tennis ball in your hand, raise your hands to the ceiling, straighten your legs together, and hook your feet. Tighten the abdominal and hip muscles and lift the shoulders and head a few centimeters off the ground. Make sure the ball always goes up to the roof, not forward Your goal is to sweat. The purpose of all aerobic exercises is to make you sweat. If you don't sweat, you haven't worked hard enough. When exercising, the more accurate the posture, the faster you sweat. This may make you as red as a tomato, but it is definitely good for your health, so work hard.

4 Hula Hoop Exercise Remember to pick up your hula hoop whenever you have time. For example, when watching TV, don't forget to shake the hula hoop while watching it for half an hour. Don't underestimate the little gesture of shaking the hula hoop. You can consume about 5 calories per kilogram per hour. Taking a 50 kg MM as an example, it can consume 50×5=250 calories per hour. Is it cost-effective? If you persist for a long time, you will be able to cultivate into a beautiful woman with a thin waist.