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12 Cards in this Set

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  • Back
Psoas major attaches where?

Does the psoas minor cross the inguinal ligament?

Most lateral muscle of post. abd wall?

What innervates the iliacus?
lesser trochanter of the femur

No

quadratus lumborum

femoral nerve
Which crus is longer in the diaphragm?

Which crus forms the esophageal hiatus?

The right and left crura meet and form the _________.
Right

Right

aortic hiatus
Which diaphragm ligament forms over the aorta?

Which one over the psoas major w/ the sympathetic trunk?

Over the quadratus lumborum, with the subcostal n, a, v?
median arcuate ligament

medial arcuate ligament

lateral arcuate ligament
What level of the diaphragm:
IVC

Aorta

esophagus

Where do pleuroperitoneal hernias usually happen?
IVC: T8

Aorta: T10

esophagus: T12

vertebrocostal triangle - between 12 rib and diaphragm
Where do the superior epigastric vessels go through the diaphragm?

3 arteries on superior surface of diaphragm?
sternocostal hiatus/triangle

pericardiacophrenic
musculophrenic
superior phrenic
Which inferior phrenic artery passes posterior to the IVC before reaching the diaphragm?

Which inferior phrenic artery passes posterior to the esophagus?
Right

Left
Motor innervation to the diaphragm?

What provides sensory innervation to the peripheral diaphragm?
Phrenic nerve (C3,4,5)

intercostal nerves T9-11
Lumbar plexus contains what part of the spinal column?

Lumbar plexus lies deep to what muscle?

Which nerve runs between the tranversus abdominis and internal oblique, emerges just beneath the 12th rib?
ventral rami - T12-L5

Psoas major

subcostal n.
Subcostal n. is motor to what muscles?

Lumbar contributions to iliohypogastric nerve?

Lumbar contributions to ilioinguinal nerve?
rectus abdominis, pyramidalis, transversus abdominis, internal oblique, external oblique

T12-L1

L1
Lumbar contributions to genitofemoral nerve?

Which nerves emerge on the lateral border of the psoas major?

Largest branch of lumbar plexus?
L1-L2

lateral femoral cutanous nerve, femoral nerve

femoral nerve
Which nerve emerges medial to psoas major and goes through the obturator foramen?

Contributions to femoral nerve?

What provides PNS fibers to foregut/midgut?

PNS fibers to hindgut?
obturator nerve

L2-3-4

Vagus

Pelvic splanchnic - S2-4
borders of perineum?

Walls of the ischioanal fossa?
pubic symphysis
ischial tuberosities
coccyx

lateral: ischium, obturator internus
medial: external anal sphincter/levator ani
posterior: sacrotuberous ligament, gluteus maximus