Iliopsoas

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

Iliopsoas is made up of the Iliacus and psoas major muscles

 

Iliacus mm      Iliacus: Origin and InsertionIliacus

Origin: Iliac fossa of cos oxae

Insertion:  Lesser trochanter of the femur

Actions: Flexes and laterally rotates thigh at hip:flexes trunk and pelvis on thigh (if origin and insertion are reversed)

Innervation: Femoral nerve (L2-L3)

Daily uses: Walking uphill or up stairs.

 

 

 

 

Psoas Major mm     psoasoiPsoas Major

Origin: Bodies and bases of transverse processes of L1-5

Insertion:  Lesser trochanter of the femur

Actions: Flexes and laterally rotates thigh at hip:flexes trunk and pelvis on thigh (if origin and insertion are reversed)

Innervation: Branches (ventral rami) of lumbar plexus (L1-3)

Daily uses: Walking uphill or up stairs.

 

Muscles

IliopsoasIliopsoas

 

Assessments

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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


More Anatomy

Back to muscles

Ligaments

Check out strengthening exercises for the rotator cuff

 

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