Long thoracic nerve
Long Thoracic Nerve
The Long Thoracic Nerve (pronunciation: /lɔŋ θəˈrætɪk nɜːrv/) is a nerve that arises from the brachial plexus, an intricate network of nerves found in the lower neck and axilla.
Etymology
The term "Long Thoracic Nerve" is derived from its anatomical position and length. It is a long nerve that supplies the thoracic region, specifically the serratus anterior muscle.
Anatomy
The Long Thoracic Nerve originates from the anterior rami of the cervical nerves C5, C6, and C7. It descends behind the brachial plexus and the axillary vessels to reach the serratus anterior muscle, which it innervates.
Clinical Significance
Damage to the Long Thoracic Nerve can result in a condition known as winged scapula, where the scapula protrudes from the back in an abnormal position. This can lead to difficulties in lifting, pulling, and pushing objects.
Related Terms
External links
- Medical encyclopedia article on Long thoracic nerve
- Wikipedia's article - Long thoracic nerve
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