Physical therapy assist patients with debilitating conditions such as back pain, arthritis, fractures, sports injuries, head injuries, strokes, and cerebral palsy. They provide therapeutic services to improve a patient's mobility, alleviate pain, and help them cope with permanent physical disabilities. They may use therapeutic equipment and techniques such as massage to improve muscle strength, whirlpool baths, ultrasonic machines, and ultraviolet and infrared lamps. They teach patients how to