Little disc herniated6/20/2023 An estimated 2% to 9% of cervical spine fractures occur at the CTJ. 2007 18(2):365-71.Ī few conditions that may affect the CTJ are: Research suggests that CTJ injuries may be missed during due to difficulties in visualizing this region on plain X-Ray films.ģ Wang VY, Chou D. Cervicothoracic Trauma: Diagnosis and Treatment. While the diagnosed problems at the C7-T1 level are less common,Ģ Chen J, Eismont FJ. The vertebral bodies and arches protect the spinal cord within the spinal canal. These muscles commonly include those involved in bending the wrist and the fingers. The C8 myotome is a group of muscles controlled by the C8 nerve.This dermatome can vary, but it typically includes areas of skin over parts of the neck, shoulder, forearm, hand, and the little finger. The C8 dermatome is an area of skin that receives sensation through the C8 nerve.This nerve has a sensory root and a motor root. The C8 spinal nerve exits the spinal cord in between the C7 and T1 vertebrae through a small bony opening called the intervertebral foramen. This disc protects the vertebrae by providing cushioning and shock-absorbing functions during neck movements. A disc made of a thick fibrous ring (annulus fibrosus) that surrounds an inner gel-like material (nucleus pulposus) is situated between the C7 and T1 vertebrae. These vertebrae are held together with ligaments at multiple attachment points. T1 connects to the first rib with costovertebral joints.T1’s spinous process projects at a more downward angle and may not be as prominent. C7 has a longer spinous process (bony protrusion), which can be felt in the back of the neck.
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