De quervain Tenosynovitis
DE QUERVAIN TENOSYNOVITIS De quervain Tenosynovitis is a painful condition affecting the tendons of thumb ( the tendon of extensor pollicis brevis and Abductor pollicis longus and the sheath covering them .) These both tendons are continuesly used in gripping , writing and pinching activities. ETIOLOGY :- The exact cause of it is unknown. It may be due to repetitive activities of thumb like excessive writing activities. Now a days the main cause of it is excessive use of smartphones and ...