In fact, you can also lose weight through other sports in the gym, elliptical machine: basically there are gyms, and it is a substitute when you can't run. Although the elliptical machine can be assisted by hand, don't just move it by hand. Developing leg strength and knee strength is the key at this stage. Swimming: those who can't swim can learn to swim and learn to swim to increase mileage. Whether you are intermittent or uninterrupted, at least 500 meters, it is best to climb 1000 meters. If you are learning to swim, if you follow the coach's instructions honestly, you still have a lot of exercise. If you already know how to swim, friends who have just learned suggest that you swim intermittently, sprint 25 meters or 50 meters, take a break and swim again until you have no strength. Friends who have studied for a while can try long-distance running, and the effect of reducing fat will be better.