Nov 12, 2020 · 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 cervical spinal nerve 8 (C8) is a spinal nerve of the cervical segment. [1] It originates from the spinal column from below the cervical vertebra 7 (C7). [2] The C8 nerve forms part of the radial and ulnar nerves via the brachial plexus, and therefore has …

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.

Dec 1, 2010 · Radiculopathy involving the cervical nerve roots may be caused by spondylosis (degenerative joint disease or degenerative disc disease), with or without osteophytes, herniated nucleus pulposis, a space occupying lesion (tumor or infection), or traumatic avulsion (Erb-Duchenne C5–C6 or Klumpke palsy C8-T1). 4, 6 The most frequently involved ...

This spinal nerve serves as both a sensory root and motor root. A C7 vertebrae pain or disc injury may indicate the C8 nerve is also at risk at being compressed or pinched. Functions of C6, C7, and C8. These vertebrae protect the spinal cord, including the C8 nerve.

Apr 14, 2025 · A cervical herniated disc occurs when the soft core of a cervical disc leaks out of its harder outer shell. Although this condition can be asymptomatic, pain occurs when the herniated material compresses a nearby nerve root.

Jul 12, 2018 · C8 Radiculopathy – Like radiculopathy at C6 and C7, those suffering from C8 radiculopathy experience pain primarily from the neck to hand. Patients experience weakness in hand grip, as well as pain along the inside of the arm to the ring and little fingers.

Apr 2, 2025 · It is caused by nerve root compression in the cervical spine either from degenerative changes or from an acute soft disc hernation.

A herniated disc typically causes the most pain when the nucleus pulposus, which contains inflammatory proteins, leaks out of the disc and onto a nearby nerve root. Less commonly, a herniated disc may leak onto the spinal cord.

Dec 12, 2022 · A cervical disc herniation occurs when a cervical disc’s inner core, the nucleus pulposus, protrudes through the outer layer, the annulus fibrosus. In severe cases, a fragment of the nucleus pulposus can completely break free from the disc.