Longus Capitis

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Longus Capitis mm
Longus Capitis: Orgin and Insertion

Longus Captis

Origin: C3-6 transverse processes.

Insertion: Occipital bone anterior to foramen magnum.

Actions: Flexes cervical spine (upper)

Innervation: C1-3 (C4) Ventral rami cervical nerves.

Daily uses: Nods head. Stabilises cervical spine.


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Other muscles …

Infraspinatus

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

Supraspinatus

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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Ligaments

Check out strengthening exercises for the rotator cuff

 

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