Internal Oblique Muscle
Longissimus Cervicis Muscle
Attachments of Longissimus Cervicis: Origin & Insertion
Origin: Transverse processes T1 to T5.
Insertion: Transverse processes of C2 to C6.
Actions of the Longissimus Cervicis Muscle:
- Bilateral action: extends and hyperextends the neck vertebrae.
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- Unilateral actions: laterally flexes the neck vertebrae to the same side.
Nerve Supply to Longissimus Cervicis:
- dorsal rami of the thoracic spinal nerves.