Flexor Hallucis Brevis

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Origin: Plantar surface of lateral cuneiform and cuboid bones.

Insertion: Via two tendons onto the proximal phalanx of the great toe (1st digit)

Actions: Plantar flexes the MTP of the great toe (1st digit)

Innervation: Medial plantar nerve

Daily uses: Curling toes under to put on sock.

 

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Other muscles …

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

 

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

Subscapularis

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

More Anatomy

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Ligaments

Check out strengthening exercises for the rotator cuff

 

 

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