Rectus Capitis Anterior

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Rectus Capitis Anterior mm

Rectus Capitis Anterior: Origin and Insertion

(Anterior view, jaw removed)


Rectus Capitis Anterior

Origin: Anterior surface of the lateral mass of atlas.

Insertion: Basilar portion of occipital bone anterior to the occipital condyle.

Actions: Assists head nodding on cervical spine. Stabilises cervical spine.

Innervation: C1-2 Ventral rami cervical nerves.

Daily uses: Nods head.


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Other muscles …


Origin: Posterior surface of the scapula (below the spine of the scapula)

Insertion: Greater tuberosity on the humerus

Actions: Shoulder abduction, 
External rotation.

Innervation: Suprascapular nerve

Daily uses: Brushing hair.

Teres Minor

Origin: Mid section of the lateral border of the scapula

Insertion: Greater tuberosity on the humerus

Actions:External rotation, 
Shoulder adduction

Innervation: Axillary nerve

Daily uses: Brushing hair


Origin: Supraspinous fossa

Insertion: Greater tuberosity of the humerus

Actions: Abduction 
Stabilisation of the humerus

Innervation: Suprascapular nerve

Daily uses: Holding shopping bags away from the body

More Anatomy

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Check out strengthening exercises for the rotator cuff


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