This muscle receives C5 and C6 nerve root fibers through the radial nerve. Together with the brachioradialis and the extensor carpi radialis brevis, it is one of the three muscles that is known as the wad of three. These three muscles can give significant pain in the arm commonly known as tennis elbow.
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Lateral epicondylitis, or tennis elbow, is an overuse injury to the common extensor tendon that presents as pain at the lateral epicondyle. C6 and C7 radiculopathy may cause referral of pain down the arm near the lateral epicondyle.
Basically, false tennis elbow mimics pain at the outer aspect of the elbow and could be attributing to; 3. Cervical radiculopathy (Cervical referred pain) The cervical spine can refer to pain down to the outer aspect of the elbow (at both C5 and C6 nerve root). Which may be mistaken as Tennis elbow. 4. Ligamentous instability
Eighteen patients showed slight limitation of lateral rotation or lateral tilting of the cervical spine to the affected side. On that side, in all patients, the apophyseal joints of involved levels were tender to digital pressure (commonly C5 and C6) when carefully examined showed resistance to passive motion. top
Tennis Elbow and the Cervical Spine C. Chan Gunn, MD The exact cause of tennis elbow, a common condition, is still obscure. While the condition may well be entirely due to a local disorder at the elbow, the results of a study of 50 patients whose condition was resistant to 4 weeks
Instead of just treating painful elbow symptoms locally (at the elbow), efforts are directed toward the neck as well. Unnecessary surgery can even be avoided. Out of 102 patients involved in this study, all had a confirmed diagnosis of cervical radiculopathy. Two-thirds also had tennis elbow.