MUSCLES OF POSTERIOR ABDOMINAL WALL, BACK AND NECK EXAM 2026 (Complete And Verified Study material) (7pages) LEARNEXAMS

psoas major

Iliacus

o: transverse processes of

lumbar vertebrae, sides of

bodies of T12-L5

I: strong tendon to lesser

trochanter of femur

actions:

-acts with iliacus to flex

thigh

-laterally flexes vertebral

column

-when sitting, acts with iliacus to flex trunk

O: superior 2/3s of iliac fossa, sacrum and sacroiliac

ligaments

I: strong tendon to lesser

trochanter of femur

actions:

- flexes thigh

- stabilizes hip joint

- acts with psoas major