Pectineus

This information has been displayed with the kind permission of  Get Body Smart who can be found at the links below:

Pectineus mm           PectineusPectineus: Origin and Insertion

Origin: Pectineal line along superior ramus of pubis.

Insertion:  Posterior surface of femur, inferior to the lesser trochanter.

Actions: Adducts and flexes thigh at hip.

Innervation: Femoral nerve (L2-4)

Daily uses: Squeezing legs together.

 

Back to muscles

 

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

Back to muscles

Ligaments

Check out strengthening exercises for the rotator cuff

 

 

Share Button

Why not check out...