Overuse injury of the hand, especially finger extensor tendons which originate in the lateral humeral epicondyle
It is caused by activities that involve repetitive wrist extension and /or repetitive forearm supination – pronation with the elbow in near complete extension(e.g. racket sports)
Characterised by pain and tenderness at the lateral epicondyle of humerus due to non-specific inflammation at the origin of the extensor muscles of the forearm
Although, it is sometimes seen in tennis players, other activities such as squeezing clothes, carrying suitcase etc. are frequently responsible
Commonly seen in age group - 40 to 50 years
Types
Pain and tenderness in the lateral epicondyle and along extensor muscles
Pain on movements of the wrist
Decreased grip strength
O/E: Point of tenderness- few mm distal to tip of lateral epicondyle
Investigation
Cozens test- the test is said to be positive if a resisted wrist extension triggers pain to lateral aspect of the elbow
Tennis elbow test: examiner holds the patient's hand with the thumb placed over the lateral epicondyle. The patient makes a fist, supinates the forearm, deviates radially, and extends the fist against the examiner's resistance. The test is positive if pain is elicited over the lateral epicondyle
X-ray: AP/Lateral of elbow - may reveal calcifications in the extensor muscle mass
USG – Tendon thickening
Treatments
Rest
Ice application
Elbow strap
Counter-force brace
NSAIDs
Physical exercise
Local injection of hydrocortisone at the point of maximum tenderness
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