These complex networks of nerves enable the brain to receive sensory inputs from the skin and to send motor controls for muscle movements. In the cervical spine, there are eight pairs of spinal nerves labeled C1 to C8, which innervate the neck, shoulder, arm, hand, and more.

Jul 24, 2023 · The supraclavicular nerve, of C3 and C4, descends from the posterior sternocleidomastoid and provides sensory information from the skin over the clavicle and shoulder.

Jan 24, 2025 · This guide will walk you through the key aspects of C2 C3 nerve damage, helping you recognize the signs and understand the implications. 1. Recognizing C2 C3 Nerve Damage. Recognizing C2-C3 nerve damage is crucial because these nerves play …

Jan 18, 2022 · Cervical nerves C1, C2 and C3 control your forward, backward and side head and neck movements. The C2 nerve provides sensation to the upper area of your head; C3 gives sensation to the side of your face and back of your head.

Nov 12, 2022 · Thirty-one pairs of nerves branch out from the spinal cord, sending motor and sensory messages to and from the body. A C3 spinal cord injury occurs when damage to the spinal cord damage limits the ability for information to be transmitted past the 3 …

The cervical spinal nerve 3 (C3) is a spinal nerve of the cervical segment. [1] It originates from the spinal column from above the cervical vertebra 3 (C3).

Oct 12, 2023 · In the thoracic cavity, the nerve descends anteriorly to the root of the lung to reach the diaphragm. A good memory aid for the roots of the phrenic nerve is C3,4,5 keeps the diaphragm alive. Nerves to Geniohyoid and Thyrohyoid.

When a herniated disc at C3-C4 pushes on nerves in the spinal cord, the nerves can send signals of numbness and tingling to the brain. This is a sign that the disc is compressing nerves and could potentially cause permanent damage without treatment.

The C5 spinal nerve dermatome typically includes parts of skin over the shoulder, upper arm, and forearm. The C5 myotome includes certain muscles that help in shoulder movements. Branches of the C3, C4, and C5 spinal nerves form the phrenic nerve that innervates the diaphragm, enabling breathing.

Oct 20, 2020 · The targets are the C2–C3 zygapophyseal joint (TON) and the centroid aspect of the AP (C3–C6 medial branches MB). The latter appears as a distinctive flat hyperechoic line that can be appreciated when moving the probe in a cephalo-caudal direction.