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  2. Spondylosis - Wikipedia

    en.wikipedia.org/wiki/Spondylosis

    Spondylosis. Spondylosis is the degeneration of the vertebral column from any cause. In the more narrow sense it refers to spinal osteoarthritis, the age-related degeneration of the spinal column, which is the most common cause of spondylosis. The degenerative process in osteoarthritis chiefly affects the vertebral bodies, the neural foramina ...

  3. Cervical vertebrae - Wikipedia

    en.wikipedia.org/wiki/Cervical_vertebrae

    Cervical vertebrae. Position of human cervical vertebrae (shown in red). It consists of 7 bones, from top to bottom, C1, C2, C3, C4, C5, C6, and C7. In tetrapods, cervical vertebrae (sg.: vertebra) are the vertebrae of the neck, immediately below the skull. Truncal vertebrae (divided into thoracic and lumbar vertebrae in mammals) lie caudal ...

  4. Spinal stenosis - Wikipedia

    en.wikipedia.org/wiki/Spinal_stenosis

    Spinal stenosis is an abnormal narrowing of the spinal canal or neural foramen that results in pressure on the spinal cord or nerve roots. [ 6 ] Symptoms may include pain, numbness, or weakness in the arms or legs. [ 1 ] Symptoms are typically gradual in onset and improve with leaning forward. [ 1 ]

  5. Klippel–Feil syndrome - Wikipedia

    en.wikipedia.org/wiki/Klippel–Feil_syndrome

    Klippel–Feil syndrome (KFS), also known as cervical vertebral fusion syndrome, is a rare congenital condition characterized by the abnormal fusion of any two of the seven bones in the neck (cervical vertebrae). [1]: 578 It can result in a limited ability to move the neck and shortness of the neck, resulting in the appearance of a low hairline.

  6. Spinal cord injury - Wikipedia

    en.wikipedia.org/wiki/Spinal_cord_injury

    Neck extensors: C3, C4, C5: Supply diaphragm (mostly C4) C5, C6: Move shoulder, raise arm ; flex elbow C6: externally rotate the arm C6, C7: Extend elbow and wrist (triceps and wrist extensors); pronate wrist C7, T1: Flex wrist; supply small muscles of the hand: T1–T6: Intercostals and trunk above the waist: T7–L1: Abdominal muscles L1–L4

  7. Cervicocranial syndrome - Wikipedia

    en.wikipedia.org/wiki/Cervicocranial_syndrome

    Cervicocranial syndrome or (craniocervical junction syndrome, CCJ syndrome) is a combination of symptoms that are caused by an abnormality in the cervical vertebrae leading to improper function of cervical spinal nerves. Cervicocranial syndrome is either congenital or acquired. Some examples of diseases that could result in cervicocranial ...