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There are 12 pairs of spinal nerves that originate from the thoracic segments of the spinal cord. These nerves mainly supply the skin over the chest and intrinsic back muscles of the thoracolumbar region. The thoracic nerves also supply some of the areas of skin over the abdomen and axilla.
The thoracic spine has 12 nerve roots (T1 to T12) on each side of the spine that branch from the spinal cord and control motor and sensory signals mostly for the upper back, chest, and abdomen. The thoracic spine (highlighted) spans the upper and mid-back. It includes twelve vertebrae named T1 through T12.
Twelve pairs of nerves branch out in your thoracic spine. These nerves carry messages between your brain and muscles. Soft tissues : Ligaments connect your vertebrae to hold your spine in position.
The thoracic nerves refer to the cluster of nerve fibers found in the upper body, particularly within the chest region. These nerve fibers are considered spinal nerves, which carry and...
The long thoracic nerve is a long, thin, and relatively superficial nerve that courses from your cervical spine to the side of your trunk. It supplies motor function to the serratus anterior muscle of your thorax, helping to stabilize your shoulder blade.
The long thoracic nerve, also called the nerve of Bell or posterior thoracic nerve, arises just above the clavicle from the proximal portion of the brachial plexus, receiving contributions from roots of spinal nerves C5, C6 and C7.
The long thoracic nerve is the motor nerve to the serratus anterior muscle, which functions to pull the scapula forward around the thorax, allowing for anteversion of the arm, and to lift the ribs, assisting in respiration.
The long thoracic nerve supplies motor innervation to the serratus anterior muscle. This muscle rotates the scapula, allowing the arm to be raised over 90 degrees. It also holds the scapula against the ribcage.
Twelve of these nerve pairs, known as the thoracic spinal nerves, are found in the thorax. Each thoracic spinal nerve forms many smaller branches to carry information to and from the many muscles and sensory receptors spread throughout the thorax.
Thoracic nerves refer to the twelve pairs of spinal nerves that emerge from the thoracic (upper and middle back) region of the spinal cord. They are labelled T1 to T12 and are part of the larger network of spinal nerves in the peripheral nervous system (PNS).