![]() ![]() Your head, as in using a drill to put in a curtain rail, or hanging the Whether from lack of oxygenated blood, or nerve supply, or both. The blood vessel carrying oxygenated blood to the arm may also be affected, in which case theĪrm may feels cool, and aches with use, a condition called intermittent claudication, more classically felt in the leg. Then the arm is likely to swell and it's wise to get a medical opinion rule out a deep vein thrombosis in the arm. It's not common, as the vein from the arm only passes through the interscalene triangle in a small percentage of cases, but the venous return from the arm can be affected. It's affected more than other nerve roots so the ring finger and pinkie may be primarily effected, mimicking a C8 nerve root lesion in the intervertebral foramen. One exception is the eighth cervical nerve root which lies immediately on the first rib. It's commonly the underlying cause of frozen shoulder and carpal tunnel syndrome for example. This syndrome, because it affects several nerves, also makes you vulnerable toĪnd other syndromes of the shoulder and wrist. It is caused primarily from a subluxation of the first rib. Of the arm mostly, and also perhaps over the chest and parts of the The brachial plexus is affected, so the pain will be in broader aspects In the thoracic outlet syndrome however, not the nerve root per se, but a large bundle of nerves called You may have just lower arm tingling, in the thumb and forefinger,įor example that's the sixth nerve root from the neck, shown above. Likely to have pain limited to a specific part of the arm, rather than generalised arm pain that may occur in what is sometimes called the first rib syndrome. Why? Because the arm is supplied by five nerveĬ7, C8 and T1, so, if you have a pinched nerve in the spine, you are The hallmark of TOS is that a broader spectrum of the arm is oftenĪffected, as distinct from a dermatomal pattern, where only a part of ![]()
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