muscles of the posterior abdominal wall

Question 0

psoas major insertion

Answer 0

lesser trochanter of femur

Question 1

Psoas Major origin

Answer 1

transverse processes of lumbar vertabrae

sides bodies of T12-S1 vertabrae and IV discs

Question 2

psoas major innervation

Answer 2

lumbar plexus via anterior branches of nerves L2-L4

Question 3

action of the psoas major

Answer 3

flexes thigh

flexes vertebral column laterally to balance trunk

Question 4

iliacus origin

Answer 4

superior 2/3 of iliac fossa
ala of sacrum
anterior sacro-iliac ligament

Question 5

iliacus insertion

Answer 5

lesser trochanter of femur and shaft inferior to it

psoas major tendon

Question 6

innervation of iliacus

Answer 6

femoral nerve (L2-L4)

Question 7

action of iliacus

Answer 7

flexes thigh and stabilizes hip

Question 8

Quadratus lumborum origin

Answer 8

medial half of inferior border of 12th rib and tips of lumbar transverse processes

Question 9

quadratus lumborum insertion

Answer 9

iliolumbar ligament and internal lip of iliac crest

Question 10

quadratus lumborum innervation

Answer 10

anterior branches of T12 and L1-L4 nerves

Question 11

quadratus lumborum action

Answer 11

extends and laterally flexes vertebral column

fixes 12th ribduring inspiration