Longus Capitis

Original Editor ­ Oyemi Sillo

Top Contributors - Oyemi Sillo, Tarina van der Stockt, Kim Jackson and Evan Thomas ­

Description

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Musculus longus capitis is one of the four deep cervical flexor muscles (AKA anterior cervical muscles) together with Longus Cervicis (longus colli), Rectus Capitis Anterior and Rectus Capitis Lateralis [1]

Origin

anterior tubercles of transverse processes of C3–C6 vertebrae [2]

Insertion

inferior surfaces of the basilar portion of the occipital bone.[2]

Nerve Supply

muscular branches of C1 – C4[2]

Blood Supply

Muscular branches of the ascending cervical artery. [3]

Action

acting bilaterally: flexion of the cervical vertebrae and head;
acting unilaterally: rotation and lateral flexion of the cervical vertebrae and head to the same side  [2]

References

  1. Gray's Anatomy of Human Body, Bartleby.com edition. New York: 2000. http://www.bartleby.com/107/115.html
  2. 2.0 2.1 2.2 2.3 http://www.wheelessonline.com/ortho/longus_capitis_1
  3. http://www.anatomyexpert.com/structure_detail/5272/