Ankle braces are used to immobilize the joint while providing heat and compression to the bones. Ankle supports can brace, stabilize, and limit range-of-motion of the ankle joint. Ankle supports can also provide joint protection for people with ankle arthritis, as well as weak or injured ankles. Some people use ankle supports during physical activity to help prevent injury to the ankle. An ankle brace is a garment that is worn around the ankle to protect it or for immobilization while allowing it to heal from sprains and other minor injuries. Ankle braces are used to immobilize the joint while providing heat and compression to the bones .