Tennis elbow, Causes, Signs and Symptoms, Diagnosis and Treatment.

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Chapters
0:00 Introduction
0:36 Causes of Tennis elbow
1:38 Symptoms of Tennis elbow
2:02 Diagnosis and Treatment of Tennis elbow
Tennis elbow, also known as lateral epicondylitis, is a condition in which the outer part of the elbow becomes painful and tender.[1] The pain may also extend into the back of the forearm and grip strength may be weak.[2][1] Onset of symptoms is generally gradual.[2] Golfer's elbow is a similar condition that affects the inside of the elbow.[1]
It is due to excessive use of the muscles of the back of the forearm.[2] Typically this occurs as a result of work or sports, classically racquet sports.[1][2] The diagnosis is typically based on the symptoms with medical imaging used to rule out other potential causes.[2] It is more likely if pain increases when a subject tries to bend back the wrist when the wrist is held in a neutral position.[1] A powered screwdriver can cause this injury if overused one-handed. It is classified as a chronic tendinosis, not a tendinitis.[1]
Treatment involves decreasing activities that bring on the symptoms together with physical therapy or other treatment gradually increasing loads.[4][1] Pain medications such as NSAIDS or acetaminophen (paracetamol) may be used.[1] A brace over the upper forearm may also be helpful.[2] If the condition does not improve corticosteroid injections or surgery may be recommended [1] although some experts recommend avoiding cortisone injections due to poor long-term results in high-quality trials.[5][6][7][8] Many people get better within one month to two years.[3][9]
About 2% of people are affected.[3] Those 30 to 50 years old are most commonly affected.[2] The condition was initially described in 1873.[3] The name "lawn tennis elbow" first came into use for the condition in 1882.[10]