A joint injury can happen suddenly from a fall, twist, sports injury, overuse, lifting, or an awkward movement. Commonly affected joints include the ankle, knee, wrist, shoulder, elbow, hip, fingers, and toes. Some joint injuries improve with rest and supportive care, but others may involve a fracture, dislocation, torn ligament, tendon injury, infection, or nerve problem that needs prompt medical attention. Common causes of joint injury Joint pain after an injury may be caus