Longissimus Capitis – Trachelomastoid Muscle

Longissimus Capitis – Trachelomastoid Muscle

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longissimus capitis

MusclePro

Anatomy

Origin
Transverse processes of upper five thoracic vertebrae (T1–T5), articular processes of lower three cervical vertebrae (C5–C7)
Insertion
Posterior part of mastoid process of temporal bone
Nerve
Dorsal primary divisions of middle and lower cervical nerves
Actions
Extends (bilateral contraction) and rotates (unilateral contraction) head
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Knowlative · entry no. 2768