What does C2 nerve innervate?

It originates from the spinal column from above the cervical vertebra 2 (C2). it innervates the rectus capitis anterior and rectus capitis lateralis muscles, and provides sensory nerves to the trapezius.

What are the names of the 31 spinal nerves?

In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Each pair connects the spinal cord with a specific region of the body.

What is a Dermatome?

A dermatome is an area of skin in which sensory nerves derive from a single spinal nerve root (see the following image). Dermatomes of the head, face, and neck.

What happens if spinal nerves are damaged?

Nerves carry information that control body movements and sensations to the brain. When a nerve in the spine is damaged it can cause pain, increased sensitivity, numbness and muscle weakness. Pain can originate from multiple nerve roots. Radicular pain refers to pain that comes from one single nerve root.

How do you test spinal nerves?

A nerve conduction study is usually done along with electromyography (EMG). The nerve conduction study stimulates specific nerves and records their ability to send the impulse to the muscle. The study can show where there is a blockage of the nerve pathway.

Which fingers are affected by cervical radiculopathy?

Bicep, wrist, thumb, and index finger pain Tingling or numbness in these areas may indicate cervical radiculopathy.

Which nerve is the largest and longest in the body?

The sciatic nerve is the longest, largest nerve in your body. Your sciatic nerve roots start in your lower back and run down the back of each leg. Sciatica is the pain or discomfort if your sciatic nerve gets compressed or pinched.

What causes dermatome pain?

A dermatome is a specific area in the lower extremity that has nerves going to it from a specific lumbar nerve. This pain is caused by compression of the roots of the spinal nerves in the lumbar region of the spine.