What are the major nerves in the neck?

C1, C2, and C3 (the first three cervical nerves) help control the head and neck, including movements forward, backward, and to the sides. The C2 dermatome handles sensation for the upper part of the head, and the C3 dermatome covers the side of the face and back of the head.

What are the 5 major nerves of the cervical plexus?

An assortment of branches arises from the cervical plexus and includes the ansa cervicalis, lesser occipital, greater auricular, supraclavicular, transverse cervical, and phrenic nerves.

Which nerve supply the neck?

The transverse cervical nerve, of C2 and C3, projects posteriorly and wraps around anteriorly to supply the skin of the anterior cervical region. The supraclavicular nerve, of C3 and C4, descends from the posterior sternocleidomastoid and provides sensory information from the skin over the clavicle and shoulder.

How many nerves are in the neck?

eight paired
The cervical nerves consist of eight paired nerves that are a part of the peripheral nervous system. They emerge from the spinal cord through the seven cervical vertebrae.

What does C3 nerve supply?

Motor. On the other hand, the motor branches of the cervical plexus form the ansa cervicalis (C1-C3), which is a nerve loop innervating the infrahyoid muscles in the anterior cervical triangle. They also form the phrenic nerve (C3-C5) which supplies the diaphragm and the pericardium of the heart.

What does C6 and C7 affect?

The C6-C7 disc is 6th cervical disc near the lower part of the neck, near the top of the shoulders. The nerve root that would be affected by the C6-C7 disc herniation controls the arms, the shoulders, the heart, the lungs, and more.

What are the symptoms of a pinched nerve at C6 C7?

When a C6-C7 herniated disc occurs and the C6-C7 nerve root is irritated, the symptoms usually include neck pain and pain in the arms, weakness in the hands and weakness in the arms, shoulder pain, chest pains, uncontrollable sweating, headaches, and possibly more. Many times, this condition can be misdiagnosed.