illiopsoas major muscle

Question 1

What are all the muscles of the posterior ab wall?

Answer 1

psoas major

Question 2

What aid the origin of psoas major?

Answer 2

intervertebral discs of T12-L5.
Transverse processes of the lumbar vertebrae L1-L5

Membranous arches which pass over the sides of the bodies of the 4 upper lumbar vertebrae

Question 3

What does the membranous arches which pass over the sides of the body of that psoas major insert allow?

Answer 3

allow lumbar arteries and veins and rami communicantes to pass beneath them

Question 4

What is the insertion of psoas major?

Answer 4

illiopsoas tendon

Muscle passes under the inguinal ligament just lateral to the iliopubic eminence.

Question 5

Where does the illiopsoas tendon insert?

Answer 5

strong tendon inserting in the lesser trochanter of femur

Question 6

What does the muscles fibers does illiopspas receive?

Answer 6

most of the fibers of the illiacus

Question 7

What muscles insert onto the illiopsoas tendon?

Answer 7

illiacus

illiopsoas

Question 8

What is the action of illiopsoas muscle?

Answer 8

Flexes the thigh

Flexes lumbar vertebral column and bends it toward the same side

Question 9

What arteries supply illiopsoas muscle?

Answer 9

Subcostal artery

Lumbar arteries

Question 10

What is the innervation of illiopsoas muscle ?

Answer 10

L2-4.

Question 11

What lymph nodes do illiopsoas drain to?

Answer 11

Lumbar lymph nodes

Question 12

What nerves are found running through the psoas major muscle?

Answer 12

Obturator -medial anterior
genitalfemoral - middle
femoral - lateral posterior