2.? More muscle groups and more joint participation: compared with monotonous fitness exercise, isolated single joint exercise consumes too few calories and muscle groups, so it can consume limited calories, while boxing is a whole-body exercise, which will consume more calories.
3.? Total calorie consumption is large: although simple aerobic exercise will use fatty acid system more, from the total calorie consumption, boxing belongs to aerobic+anaerobic exercise, which consumes more calories than simple aerobic exercise.