Spinalis cervicis is the cervical component of the spinalis column, running between upper thoracic and lower cervical spinous processes. Often continuous with semispinalis cervicis.
| Origin | Spinous processes of C7-T2 |
|---|---|
| Insertion | Spinous process of C2 primarily |
| Nerve Supply | Dorsal rami of cervical spinal nerves (C2-C6) |
| Blood Supply | Vertebral artery branches |
| Actions | Extends the cervical spine; Ipsilateral lateral neck flexion |
|---|
Its preservation during posterior cervical laminectomy affects post-operative axial pain and cervical kyphosis. Denervation from dorsal rami injury contributes to chronic post-laminectomy neck pain.
Palpable as the central cervical paraspinal mass during resisted cervical extension.
Loss of function from dorsal rami injury contributing to cervicothoracic kyphosis and chronic axial neck pain.
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