It is also important in amputations, fractures and other injuries, and other orthopedic conditions. With the aid of physical therapy, a disabled person may lead a constructive and creative life. Aids in physical therapy. Many kinds of equipment, exercises, and self-help devices are used to help the disabled person. Radiant heat lamps, electric heating pads, diathermy, hydrotherapy, and paraffin baths are used to apply heat.
Heat relieves pain, improves circulation, and relaxes muscles.
Cold, when used soon after injury, lessens pain, hemorrhage, and swelling. Ultraviolet radiation attacks germs and promotes healing of certain skin disorders. Ultrasound is used to treat inflammatory conditions of the joints, muscles, and nerves, and painful amputation stumps. Exercise helps to maintain and improve body function and posture. It increases muscle tone, strength, and endurance.