thoracic nerve


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Related to thoracic nerve: lumbar nerve

thoracic nerve

Any of the twelve pairs of spinal nerves originating in the thoracic segments of the spinal cord. Each thoracic nerve emerges from the spinal canal through the intervertebral foramen below its corresponding vertebra. Thoracic spinal nerves innervate the trunk.
See also: nerve
References in periodicals archive ?
Furthermore, other potential causes of a winged scapula such as long thoracic nerve neuropathy, accessory nerve lesion, neuralgic amyotrophy, C7 radiculopathy, and progressive muscular dystrophy were excluded by ENMG.
The 3 patients presented in this article underwent facial reanimation by separate sural nerve grafting of the periorbital region with a facial nerve--sural nerve anastomosis and a facial nerve-long thoracic nerve mastomosis for mid- and lower-face reanimation.
One patient with meningitis exhibited apparent, isolated, long thoracic nerve weakness with scapular winging and shoulder abduction weakness but without additional limb involvement.
Electromyography revealed atrophy of the serratus anterior because of compression of the long thoracic nerve owing to the presence of the dorsoepicondylar medial muscle.
The C5 nerve usually receives a small contribution from the fourth-cervical nerve and the T1 nerve normally receives one from the second thoracic nerve. The brachial plexus is the main source of innervations to the upper limbs.
Table 1 Differential diagnoses for Paget Schroetter syndrome Pain * Neurogenic TOS * Cervical radiculopathy * Brachial plexopathy * Rotator cuff tendinopathy * Subacromial impingement * Scapular dysfunction * Biceps tendinopathy * Labral tear * Instability * Quadrilateral space syndrome * Long thoracic nerve palsy * Suprascapular nerve palsy * Peripheral nerve entrapment Swelling * Arterial TOS * Compartment syndrome * Lymphedema * Esophageal or cardiac disease * Complex regional pain syndrome * Intramuscular hemorrhage * Inflammatory disorder * Cellulitis * Breast cancer * Neoplastic compression of mediastinal blood vessels
Compressive neuropathy of long thoracic nerve and accessory nerve secondary to heavy load bearing.
The long thoracic nerve descending on the muscle's external surface innervates it (Tobin et al., 1990) and this nerve has to be spared to preserve function during dissection.