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The supraclavicular nerve is a branch of the cervical plexus [1] that arises from cervical (spinal) nerves C3-C4 [2] [1] with the predominant contribution from C4. [ 1 ] Course
The cervical plexus is a nerve plexus of the anterior rami of the first (i.e. upper-most) four cervical spinal nerves C1-C4. [1] [2] [3] [4] The cervical plexus ...
The transverse cervical nerve (superficial cervical or cutaneous cervical) is a cutaneous (sensory) nerve of the cervical plexus that arises from the second and third cervical spinal nerves (C2-C3). It curves around the posterior border of the sternocleidomastoideus muscle , then pierces the fascia of the neck before dividing into two branches.
It arises from the (lateral branch of the ventral ramus [3] [4]) of cervical spinal nerve C2; [3] [4] [2] it (sources differ) receives [1] or may also receive fibres from cervical spinal nerve C3. [3] [4] It originates between the atlas, and axis. [4] The lesser occipital nerve is one of the four cutaneous branches of the cervical plexus. [5]
Injury to Erb's point is commonly sustained at birth or from a fall onto the shoulder.The nerve roots normally involved are C5 and partly C6. Symptoms include paralysis of the biceps, brachialis, and coracobrachialis (through the musculocutaneous nerve); the brachioradialis (through the radial nerve); and the deltoid (through the axillary nerve).
The brachial plexus is a network of nerves (nerve plexus) formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).This plexus extends from the spinal cord, through the cervicoaxillary canal in the neck, over the first rib, and into the armpit, it supplies afferent and efferent nerve fibers to the chest, shoulder, arm, forearm, and hand.
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The dorsal scapular nerve is a branch of the brachial plexus, usually derived from the ventral ramus of cervical nerve C5. It provides motor innervation to the rhomboid major muscle, rhomboid minor muscle, and levator scapulae muscle. Dorsal scapular nerve syndrome can cause a winged scapula, with pain and limited motion.