What does the C8 nerve control?
C8 helps control the hands, such as finger flexion (handgrip). The C8 dermatome covers the pinky side of the hand and forearm.
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What nerve Innervates C8?
Spinal nerve root C8 innervates both proximal and distal muscles. Spinal nerve root C8 innervates both proximal and distal muscles. Distally, C8 fibers form the median, ulnar, and radial nerves.
What is a C8 spinal cord injury?
A C8 spinal cord injury refers to damage at the nerve roots between the C7 and T1 vertebrae. While individuals with C8 spinal cord injuries generally can control movement in their arms, they may experience weakness and loss of sensation in the hands, trunk, and lower body.
What is unique about the C8 spinal nerve?
The C8 nerve root is atypical because it does not have a corresponding vertebral element and exits below the C7 pedicle and occupies the intervertebral foramen between C7 and T1. In the thoracic and lumbar spine, the nerve roots exit the spinal canal by passing below the pedicle of their named vertebra.
What are the symptoms of a pinched nerve at C8?
C7-T1 (C8 nerve root): Pain, tingling, and/or numbness may be felt in the outer forearm and pinky side of the hand. Weakness may also be experienced in finger flexors (handgrip) and other muscles.
How do I stretch my C8 nerve?
Sit in a comfortable chair with the feet flat on the floor and the back straight. Put the right hand on the left knee while slowly twisting to the left. Hold the stretch for 5 seconds and then return to facing forward. Repeat on the other side, placing the left hand on the right knee.
How do you test a C8 nerve?
Myotome Nerve testing of the Upper Limb – C5 – C6 – C7 – C8 – YouTube
How is C8 radiculopathy treated?
Over-the-counter medications, like aspirin and ibuprofen, could help reduce pain. Doctors can also prescribe prescription strength medications, such as muscle relaxants, to help manage pain. Another option is to carefully inject medication directly into the cervical spine (epidural steroid injection).