Gluteus Medius

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Gluteus Medius   Gluteus MediusGluteus Medius: Origin and Insertion

Origin: Outer surface of ilium between the posterior and anterior gluteal lines.

Insertion: Lateral and superior surfaces of the greater trochanter of the femur.

Actions: Abducts thigh at hip; anterior fibres medially rotate thigh and posterior fibres laterally rotate thigh.

Innervation: Superior gluteal nerve (L5, S1)

Daily uses: Stabilising hip through stance phase.

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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

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Dissections

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