Ankle sprains are what we usually call “broken feet”, and everyone has one at least once in their life. Ankle sprains account for the highest percentage of all sports injuries, accounting for 20-40%. Why ankle sprains, let’s first recognize the ankle joint. Due to the ankle joint outside the ankle fibula longer ankle point deeper, and inside the ankle tibia shorter ankle point shallower, so the ankle joint is more likely to occur inversion sprain. I. How to prevent it in life? 1, strengthen the ankle strength and balance ability of exercise is very important, usually nothing to do more heel tiptoe action. 2, try to avoid wearing high heels or walking on uneven surfaces. 3, walking to concentrate, do not look at the phone. 4, as little as possible to jump up in the air. 5, remember to warm up before and after exercise, stretching. 6, moderate exercise, avoid excessive fatigue. Second, what should I do if I have an ankle sprain? 1, emergency treatment: the goal is to control the pain and swelling as much as possible Protect Protect: rest for 2 or 3 days after the sprain, so that the injured joints, ligaments or muscles rest. After that, you can exercise appropriately, while maintaining the protection of the injured sector (such as crutches and other assistive devices). Proper weight bearingOptimumLoading: Gentle movements that can be started during the protection phase. This progressive loading of the injury can help promote optimal healing and prevent delayed return to normalcy due to joint and muscle tension or muscle atrophy. Ice: Apply cold compresses (ice, ice packs, etc.) to the swollen and painful area within 24 hours of the injury for 15-20 minutes at a time, every 2-3 hours, using a towel to isolate the area and avoid frostbite to the skin. Compression: Compression can be applied with an elastic bandage. It can stop further bleeding and prevent severe ankle swelling. It is not recommended to immobilize the ankle with an adhesive support bandage until the swelling has subsided. Elevate the affected limb Elevate: Elevating your ankle above the level of your heart for 2 to 3 hours a day will help reduce ankle edema. Note: Prompt and effective first aid is very important to speed up healing. Patients with severe sprains need immediate medical attention. 2.Follow-up treatment: laying the foundation for resuming normal walking and sports Acute treatment can be used such as ultrasound or laser and other means of physical therapy to control swelling and inflammation. Third, ankle injury rehabilitation training Stretching exercises: exercise intensity: hold at the angle of stretching feeling, 60S/each, 5/times Mobility exercises: exercise intensity: 20/group, 3 groups/times Foot and ankle muscle strength exercises: exercise intensity: 20/group, 3 groups/times