Tennis Elbow & Golfer's Elbow: Understanding These Common Repetitive Stress Injuries
Tennis Elbow and Golfer's Elbow, both common repetitive stress injuries, affect specific tendons around the elbow joint. These conditions can limit joint dexterity, cause pain, and irritate the affected area.
Tennis Elbow, affecting the outside of the elbow, primarily targets the extensor carpi radialis brevis (ECRB) tendon. This tendon connects the forearm's wrist extensor muscle to the lateral epicondyle of the humerus. Golfer's Elbow, on the inside of the elbow, involves tendons of the forearm muscles attaching to the medial epicondyle, often including the flexor tendons of the wrist and fingers.
Both conditions result from overuse and repetitive stress, leading to inflammation and pain, collectively known as tendonitis. The deep muscles of the arm, responsible for intricate tasks like wrist twisting and finger movement, are particularly prone to these injuries. For instance, the extensor pollicis brevis extends and bends the thumb outward, while the flexor digitorum profundus flexes the hand and fingers. The pronator quadratus, another deep muscle, rotates the forearm and wrist, maintaining the proper distance between the radius and ulna.
Tennis Elbow and Golfer's Elbow, though distinct in their locations, share similar causes and effects. Both involve tendons around the elbow joint and result from repetitive stress injuries. Understanding the specific tendons and muscles affected can help in targeted treatment and prevention.
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