Internal Oblique Muscle
Spinalis Cervicis Muscle
Muscularis spinalis cervicis.
Attachments of Spinalis Cervicis: Origin & Insertion
Origin: Lower ligamentum nuchae; spinous process of C6 or C7 (sometimes T1 or T2).
Insertion: Spinous processes of axis (sometimes C3 or C4).
Insertion and origin of the spinalis cervicis.
Actions of the Spinalis Cervicis Muscle:
- Bilateral action: extends and hyperextends the cervical (neck) portion of the vertebral column.
Nerve Supply to Spinalis Cervicis:
- dorsal rami of the lower cervical and thoracic spinal nerves.
Overview of the Muscles of the Back:
Review the muscles of the back and test yourself.