Rectus Capitis Anterior

Original Editor - Venus Pagare

Top Contributors - Venus Pagare, Evan Thomas and Tarina van der Stockt

Description

The Rectus capitis anterior is a short, flat muscle, situated immediately behind the upper part of the Longus capitis. It is also known as Obliquus Capitis Superior.


Anterior View of Rectus Capitis Anterior
RECTUS CAP ANT2.PNG

Origin

Anterior surface of the lateral mass of the atlas (C1 vertebra) and the root of its transverse process[1]

Insertion

The inferior surface of the occipital bone anterior to the foreamen magnum[1]

Nerve Supply

C1, C2

Blood Supply

The muscle receives blood from the ascending cervical artery, which is a small branch of the inferior thyroid artery from the thyrocervical trunk of the subclavian artery.[2]

Action

Aids in flexion of the head and the neck

References

  1. 1.0 1.1 http://www.wheelessonline.com/ortho/rectus_capitis_anterior
  2. http://www.anatomyexpert.com/structure_detail/5273/