What muscles do C8 innervate?
These muslces are: Latissimus dorsi, Pectoralis major, Triceps, Palmaris longus, Flexor digitorum superficialis, Flexor policis longus, abductor policis longus, Extensor policis brevis, Extensor policis longus, Extensor carpi ulnaris, Flexor carpi ulnaris, Flexor digitorum profundus, Lumbricals, and Interossei.
What does C8 nerve root control?
C8 helps control the hands, such as finger flexion (handgrip). The C8 dermatome covers the pinky side of the hand and forearm.
Is there a C8 nerve root?
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.
Where is C8 nerve located?
Where Does Spinal Nerve C8 Exist? The spinal nerve C8 extends from the spinal column from below the C7 vertebra and between it and the T1 vertebra. This spinal nerve serves as both a sensory root and motor root.
What is C8 radiculopathy?
The sensory innervation zone of C8 is the ulnar two digits and the medial aspect of the forearm. C8 radiculopathy is characterized by radicular neck pain, hand weakness, and sensory deficit of the ulnar fingers and medial forearm.
What causes C8 radiculopathy?
The most common causes of cervical radiculopathy are when a nerve root becomes inflamed or damaged due to a nearby bone spur or cervical herniated disc, such as from spinal degeneration over time or an injury. Many other less common causes of cervical radiculopathy are possible, such as infection or tumor.
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 you fix C8 nerve pain?
- Rest or activity modification.
- Physical therapy.
- Ice and/or heat therapy.
- Cervical epidural steroid injection.
- Manual manipulation.
- Cervical traction.
How is C8 radiculopathy treated?
Physical therapists can help patients develop a stretching and exercise routine to help alleviate radiculopathy symptoms. 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.