Swimming is the least wear and stress on body joints in weight loss exercise, and it can also increase lung capacity. Besides, it is not hot to see your height and weight in summer practice. It should be a girl. Swimming is especially good for shoulders, neck and back. Freestyle quick kick can also shape hips and legs. But at the same time, we should also practice some gym equipment properly, even without weight-bearing unarmed practice, to prevent the skin from sagging too fast. If you have time, go swimming in the gym twice a week and do it separately. It won't be too tired. The most important thing is to pay attention to your diet, otherwise you can eat more after practice.