In the clinic there are many sports can exercise legs, make the legs look stronger, the most commonly used method is running, whether it is fast running or jogging can exercise the leg muscles, you can choose a pair of suitable running shoes, and then in the plastic running track running, running should be chosen in the morning or at night, when the weather is more suitable. In the first run can be based on physical strength and endurance to develop a running distance, and then gradually increase the amount of exercise, continued exercise for more than half a month leg muscles will be very developed. If conditions permit, you can also choose to run in the gym, the effect is the same. Middle-aged and elderly patients if you want to exercise legs taking into account the degeneration of the knee joints, it is not recommended to use the running method for exercise, you can choose to swim or ride a bicycle is the same effect.