Innervation | Thoracic Nerves

The dorsal rami of the thoracic nerves innervate the intrinsic muscles of the back and the skin overlying the spine.

After exiting the intervertebral foramen, each thoracic nerve splits into a dorsal ramus. thoracic nerves innervation

An anesthetic injected near the rib's angle to block sensation. The dorsal rami of the thoracic nerves innervate

Unlike lower thoracic nerves, T1 and T2 contribute fibers to the brachial plexus (innervating the upper limb). T1 provides the root of the ulnar nerve and intrinsic hand muscles, while T2 contributes to the medial cutaneous nerve of the arm. thoracic nerves innervation