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Cervical spinal nerves C1, C2 and C3 help control the movements of the head and neck. Cervical spinal nerve C4 helps control upward shoulder movements. Cervical spinal nerve C3, C4 and C5 help power the diaphragm and aid in breathing. Cervical spinal nerve C6 helps in wrist extension and some functioning of biceps.
There are several options of treatment when iatrogenic (i.e., caused by the surgeon) spinal accessory nerve damage is noted during surgery. For example, during a functional neck dissection that injures the spinal accessory nerve, injury prompts the surgeon to cautiously preserve branches of C2, C3, and C4 spinal nerves that provide supplemental innervation to the trapezius muscle. [3]
Cervical spinal nerve 4, also called C4, is a spinal nerve of the cervical segment. It originates from the spinal cord above the 4th cervical vertebra (C4). It contributes nerve fibers to the phrenic nerve , the motor nerve to the thoracoabdominal diaphragm .
The supraclavicular nerve is a cutaneous (sensory) nerve of the cervical plexus that arises from the third and fourth cervical (spinal) nerves. It emerges from beneath the posterior border of the sternocleidomastoid muscle, then split into multiple branches. Together, these innervate the skin over the shoulder.
This is because the supraclavicular nerves have the same cervical nerves origin as the phrenic nerve, C3, C4, and C5. [ citation needed ] The discovery of this is often attributed to a German gall bladder surgeon named Hans Kehr , but extensive studies into research he conducted during his life shows inconclusive evidence as to whether he ...
MRI of a fractured and dislocated cervical vertebra (C4) in the neck that is compressing the spinal cord: Specialty: Neurosurgery: Types: Complete, incomplete [1] Diagnostic method: Based on symptoms, medical imaging [1] Treatment: Spinal motion restriction, intravenous fluids, vasopressors [1] Frequency: c. 12,000 annually in the United States [2]
One in 142 women in the UK will be diagnosed with cervical cancer in their lifetime
Occipito-cervical junction This disorder may result from rheumatoid arthritis, causing the hypermobility of the connection between the neck and head, resulting in paralysis or pain. [6] Cerebrovascular disease Cerebrovascular disease is a type of cervical spine disorder that can cause tetraplegia. [7] Subaxial cervical spine [8] Atlanto-axial joint