Abdominal muscle exercise: 1? The ribs are suspended and the legs are lifted 90 degrees. ? 2? Sit-ups? 3? The parallel bars are supported at right angles. 4? Lie on your back with your ends up. Do as many items as possible, you can do them in cycles, or you can do only one or two items every day, so you can master the number of groups flexibly.

Chest exercises: 1? Push on the bench, pay attention to slow down when the barbell is down, and accelerate when the arm is supported. 2? Dumbbells fly in pairs, as shown. 3? Put down your arms and stand tall. When pulling down, the arm must be straight, the pulling down speed should be fast, and the reduction action should be controlled. ? 4? Forehand pull-ups 5? The parallel bars bend and stretch your arms to keep your body stable. These exercises can be controlled step by step from less to more, and remember to be prepared before each exercise to avoid injury.