Iliocostalis cervicis
Back
Deep muscle — it lies under other muscles. X-ray makes the muscles over it see-through.
- Origin
- Angles of ribs 3 to 6
- Insertion
- Transverse processes of C4 to C6
- Action
- Extends and laterally flexes the neck
- Nerve supply
- Dorsal rami of the spinal nerves
The top section of the iliocostalis, the outermost column of the erector spinae. It runs from the upper ribs to the lower neck vertebrae.