Proper exercise is good, but improper exercise may lead to health damage, such as tennis elbow is related to improper return posture, tennis elbow has long been not exclusive to tennis players, housewives, carpenters and the elderly are vulnerable to tennis elbow. ”Tennis elbow, also known as humeral epicondylitis, is named after the incorrect posture found in lawn tennis players, mainly related to playing tennis, the error of backhand return technique is the main reason, the tendon is stretched, the muscle responsible for wrist and finger dorsal extension repeated force, due to the large impulse, thus causing discomfort, mainly manifested as pain in the area of the humeral epicondyle “, but now it is found that in fact 95% of tennis elbow is not caused by improper tennis sports, but also occurs in racket sports (such as badminton and table tennis) and fencing events. Painful grip on chopsticks in severe cases The main manifestation of tennis elbow is the pain that the patient feels when lifting objects or gripping them with force. The humeral epicondyle is prone to acute and chronic inflammation, which can lead to pain on the outside of the elbow joint, sometimes with radiating pain and sudden loss of force in the forearm, and increased pain when extending the wrist, such as gripping objects, shovels, wringing towels, knitting sweaters, etc. In severe cases, the pain can even occur when the fingers are straightened, the wrist is extended, or when holding chopsticks or brushing teeth, and even when it is difficult to sleep. Prevention: Avoid improper posture and wear an elbow brace. To prevent tennis elbow, attention should be paid to limiting injury-causing movements and correcting poor posture, enhancing muscle strength, as well as maintaining non-weight-bearing activities of the joint and changing posture regularly to disperse stress. Conservative treatment is recommended for more than 90% of patients. Conservative treatment is recommended for more than 90% of patients, including proper rest, icing and stretching exercises, external application of Chinese herbs and physical therapy. Most patients with tennis elbow can be cured after conservative treatment, while about 4-11% of patients require surgery due to dysfunction and persistent symptoms. Early stage patients can recover after proper rest, so there is no need to rush to take treatment measures such as closure.