1. This is related to the frequency of movement. Four times a week and twice a week will definitely have different effects.

2. It is related to the intensity of exercise. The length of each exercise is closely related to the intensity and effect of exercise.

So this can't be generalized. Generally speaking, if you lose weight, you can exercise three times a week and accumulate aerobic exercise for about an hour each time. Coupled with the combination of diet, you can see obvious effects after two months of exercise. But it still needs a consolidation process. Friends who want to know more about themselves can find a personal trainer to do a health question and answer and a physical examination, and then the coach will make a detailed analysis and answer for you according to one of your own data.