The outlet can be altered by exercise, trauma, pregnancy, a congenital anomaly, an exostosis, postural weakness or changes.īelow is a list of the component syndromes which comprise thoracic outlet syndrome along with a brief description of each. What causes the neurovascular compression?Ĭompression occurs when the size and shape of the thoracic outlet is altered. Tingling and numbness in the neck, shoulder region, arm and hand. ![]() Cramps of the muscles on the inner forearm (long finger flexors).Difficulty with fine motor tasks of the hand.Muscle weakness and atrophy of the gripping muscles (long finger flexors) and small muscles of the hand (thenar and intrinsics).Parasthesia along the inside forearm and the palm (C8, T1 dermatome).Superficial vein distention in the hand.Deep, boring toothache-like pain in the neck and shoulder region which seems to increase at night.Feeling of heaviness in the arm or hand.Swelling or puffiness in the arm or hand.Professionals understand the importance of coupling diagnostic testing skills with the patient’s report of what hurts and what doesn’t seem to be working properly.ĭon’t self diagnose! Neurologic and vascular symptoms can be indicative of more serious conditions. It is important to understand that presenting with the symptoms listed below in no way indicates a definitive diagnosis for thoracic outlet syndrome. What are the signs and symptoms of thoracic outlet syndrome? Look at the scheme of this region and it all becomes more easily understood. The bony, ligamentous, and muscular obstacles all define the cervicoaxillary canal or the thoracic outlet and its course from the base of the neck to the axilla or arm pit. The vascular component of the bundle, the subclavian artery and vein, transport blood to and from the arm, the hand, the shoulder girdle and the regions of the neck and head.The brachial plexus is the network of motor and sensory nerves which innervate the arm, the hand, and the region of the shoulder girdle.The neurovascular bundle which can suffer compression consists of the brachial plexus plus the C8 and Tl nerve roots and the subclavian artery and vein. ![]() First of all a syndrome is defined as a group of signs and symptoms that collectively characterize or indicate a particular disease or abnormal condition.
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