Obliquus Capitis Superior

Description

Obliquus Capitis Superior

Name

• Obliquus Capitis Superior
• Superior Oblique Muscle

General

• One of the suboccipital muscles involved in head extension and rotation

Origin

• Transverse process of vertebra C1

Insertion

• Occipital bone
• Inferior nuchal line, middle 1/3
• Superior to Rectus Capitis Posterior Major

Actions

• Bilateral: Extension of head
• Unilateral: Lateral flexion/sidebending of head to same side, Rotation of head to opposite side

Innervation

• Suboccipital Nerve (Posterior ramus of cervical spinal nerve C1)

Vascular Supply

• Vertebral Artery
• Occipital Artery (Deep Descending Branch)

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Clinical Significance

• Needs to be updated

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See Also

• Physical Exam Neck
• Neck Anatomy (Main)
• Neck Pain (Main)

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