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Coracobrachialis mm    Coracobrachialis: Origin and InsertionCoracobrachialis

Origin: Coracoid process of the scapula.

Insertion:  Mid surface of the humerus

Actions: Flexes and adducts arm at shoulder.

Innervation: Musculocutaneous nerve (C6,7)

Daily uses: Giving someone a hug.


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Other muscles of the Upper Limb


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


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: Anterior (costal) surface of the scapula

Insertion: Lesser tuberosity of the humerus

Actions: Internal rotation
, Adduction

Innervation: Upper and lower subscapular nerves

Daily uses: Tucking the back of your shirt into your trousers

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