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Application of hot therapy has direct effect on blood vessels. Blood vessels expand by heat which increases the amount of blood flow to the affected area. Joint pain, sore muscles, tendons and ligaments starts relaxing due to proper supply of nutrients and oxygenated blood. Hot therapy is also effective in reducing muscle spasm and increasing the range of motion. ...
Alternating hot and cold therapy, also known as contrast therapy, involves alternative applications of ice and heat to relieve the pain associated with overexertion, arthritis, and injury. This combination therapy is an effective way of treating repetitive strain injuries. ...