Psoas Major (A)

Question 1

What is the position of Psoas Major?

Answer 1

Anterior to hip and lower abdomen

Question 2

Describe the morphology of Psoas Major

Answer 2

Large, thick, powerful muscle, fibres downwards, forwards and laterally, merges with Iliacus

Question 3

What is the nerve supply for Psoas Major?

Answer 3

Anterior Rami of L1,2,3

Question 4

What is the origin of Psoas Major?

Answer 4

T12-L5

Question 5

What is the insertion of Psoas Major?

Answer 5

Lesser trochanter