Bicep Brachii

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 Bicep Brachii mm    Bicep BrachiiBicep Brachii: Origin and Insertion

Origin: Long head – top of the glenoid fossa
. Short head – coracoid process

Insertion: Bicipital tuberosity of the radius. 
Bicipital aponeurosis into the deep fascia of the forearm.

Actions: Elbow flexion. 
Supination of the forearm

Innervation: Musculocutaneus nerve

Daily uses: Picking up a shopping bag

 

Back to muscles

Other muscles of the Upper Limb

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

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