Muscles of the Anterior Hip (iliac) Region

Question 1

What is the origin of the psoas major?

Answer 1

vertebrae T12-L5

Question 2

What is the origin of the psoas minor?

Answer 2

vertebrae T12-L1

Question 3

What is the origin of the iliacus?

Answer 3

iliac fossa

Question 4

What is the origin of the iliopsoas?

Answer 4

psoas major and iliacus fibers merge, pass under inguinal ligament

Question 5

What is the insertion of the psoas major?

Answer 5

lesser trochanter of femur

Question 6

What is the insertion of the psoas minor?

Answer 6

iliopubic eminence

Question 7

What is the insertion of the iliacus?

Answer 7

lesser trochanter of femur

Question 8

What is the insertion of the iliapsoas?

Answer 8

psoas major and iliacus fibers merge, pass under inguinal ligament

Question 9

What is the action of the psoas major?

Answer 9

flex thigh/trunk (hip joint)

Question 10

What is the action of the psoas minor?

Answer 10

minor flexion of trunk

Question 11

What is the action of the iliacus?

Answer 11

flex thigh (hip joint)

Question 12

What is the action of the iliopsoas?

Answer 12

flex thigh (hip joint)

Question 13

What nerve innervates the iliacus?

Answer 13

femoral nerve