Continuous punching can't directly exercise abdominal muscles, but if you add waist rotation, the effect will be better, but you should also emphasize the amount of exercise, and do boxing practice for 40 minutes every day to get good results.

Here is a simple and practical exercise: do it in groups, 10- 15 times, 4-6 groups, rest time between groups 1 minute, and rest time between actions is 3-5 minutes. If the following movements can be easily completed 20 times, it is still recommended to practice with heavy objects. The slower the action is, the better, and it can also increase the difficulty effect.

Upper abdomen: abdomen. If sit-ups are bad for your back, roll your belly.

Lower abdomen: supine leg lift, reverse abdomen roll.

Abdominal oblique muscle: support parallel bars sideways and lift your knees.

Transverse abdominal muscles: flat plate support

Comprehensive: Climbers pedal from both ends in the air.