Fibularis (Peroneus) Longus

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 Fibularis (Peroneus) Longus

Origin: Head and proximal 1/2 to 2/3 of lateral side of fibula.

Insertion:  Crosses plantar surface of foot to attach to the lateral sides of medial 1st cuneiform and 1st metatarsal.

Actions: Plantar flexes and everts foot at ankle.

Innervation: Superficial Peroneal nerve (L4,L5,S1)

 

 


 

 

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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