Skipping rope is an aerobic exercise, which can effectively burn fat and reduce leg fat without affecting the chest. In order to achieve this goal, here are some suggestions:

1. Keep the correct skipping posture: when skipping rope, keep an upright posture, keep your eyes forward, bend your arms naturally, and shake your wrists vigorously.

2. Choose the right skipping rope: choose the right skipping rope according to your personal situation. Beginners can choose a lighter skipping rope, and the difficulty is gradually increasing.

3. Control the time and intensity of jumping: The time and intensity of skipping should be gradually increased according to personal circumstances. It is generally recommended to skip rope for 20-30 minutes each time, 3-5 times a week.

4. Diet adjustment: While skipping rope to lose weight, we should pay attention to diet adjustment, ensure adequate intake of protein and nutrients, and reduce the intake of high-calorie and high-fat foods.

5. Increase upper limb movements: Jumping rope can increase upper limb movements, such as push-ups and sit-ups. It helps to balance the muscle development of the whole body.

In short, skipping rope to reduce legs and chest needs to maintain the correct posture, choose the right skipping rope, control the time and intensity of skipping rope, pay attention to diet adjustment and increase upper limb exercise.