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Longus Capitis


Description

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

Originates from the basilar portion of the occiput towards the anterior tubercles of transverse processes of C3–C6 vertebrae.[2]

Insertion

inferior surfaces of the basilar portion of the occipital bone.

Nerve Supply

Innervated by C1-C5[3]

Blood Supply

Muscular branches of the ascending cervical artery. [3]

Action

  • Assist with control and stability of the cervical vertebra[4]
  • Flexion and lateral flexion of the head and neck
  • Rotation
  • Longus Capitis helps to restore the natural position of the head and neck.[5]

Alternative diagnosis

  • Whiplash[2]
  • Chronic neck pain[2]
  • Forward head posture[6]

Palpation


Muscle Palpation - Longus Colli and Longus Capitis </ref>

Treatment

  • Deep neck flexor activation and strengthening exercises using the biofeedback.[6]
  • Isometric neck exercises.

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 Kennedy E, Albert M, Nicholson H. Do longus capitis and colli really stabilise the cervical spine? A study of their fascicular anatomy and peak force capabilities. Musculoskeletal Science and Practice. 2017 Dec;32:104–13. ‌
  3. ↑ 3.0 3.1 Zhang X, Ma T, Liu L, Yin N, Zhao Z. Anatomic study of the musculus longus capitis flap. Surgical and radiologic anatomy. 2016 Jun 11;39(3):271–9. ‌
  4. ↑ Moon H, Lee SK, Kim WM, Seo YG. Effects of exercise on cervical muscle strength and cross-sectional area in patients with thoracic hyperkyphosis and chronic cervical pain. Scientific Reports. 2021 Feb 15;11(1). ‌
  5. ↑ ajeyaseelan. 5d. The Anterior Vertebral Muscles - Collection at Bartleby.com [Internet]. Collection at Bartleby.com. 2022 [cited 2024 Dec 19]. ‌
  6. ↑ 6.0 6.1 Kim JY, Kwag KI. Clinical effects of deep cervical flexor muscle activation in patients with chronic neck pain. Journal of Physical Therapy Science. 2016;28(1):269–73. ‌