Yes, swimming is a very popular fitness activity. Experts believe that if you want to exercise your legs in the swimming pool, you can run at one end of the shallow water area, or put on a life jacket to do running at the other end of the deep water area. The resistance of water will make the legs move more laboriously, but it won't bear great vibration like running on the ground, so it is a good way to reduce fat in the legs and buttocks. How much exercise is enough to make thighs thinner? If you have a healthy cardiovascular system, then you should exercise for 20 minutes every day; If you want to burn more fat and make your thighs more beautiful, you'd better exercise once every morning and evening for 20 to 30 minutes. In addition, you can also consider doing some gardening and other activities.