Postrior Abdominal Wall, Kidney (Gray's)

Question 1

What are the 3 regions of the diaphragm?

Answer 1

1. Sternal Portion
2. Costal Portion
3. Vertebral Portion

Question 2

Where does the sternal portion of the diaphragm arise from?

Answer 2

Xiphoid process

Question 3

Where does the costal portion of the diaphragm arise form?

Answer 3

Lower ribs

Question 4

Where does the vertebral portion of the diaphragm arise from?

Answer 4

Vertebrae via musculocutendinous crura

Question 5

Which ligament of the the vertebrae are the musculocutendinous crura associated with?

Answer 5

Anterior longitudinal ligament

Question 6

What is the attachment point of the right crus of the diaphragm?

Answer 6

vertebrae L1-L3 (and intervertebral discs)

Question 7

What is the attachment point of the left crus of the diaphragm?

Answer 7

vertebrae L1-L3 (and intervertebral discs)

Question 8

What is the attachment point of the median arcuate ligament of the diaphragm?

Answer 8

Connects R and L crus across midline

Question 9

What is the attachment point of the medial arcuate ligament of the diaphragm?

Answer 9

• Medially attaches to vertebrae L2 (left) and L3 (right)

- Laterally to the TRANSVERSE processes of L1

Question 10

Which tendinous arch of the diaphragm is formed by the thickening of the fascia that cover quadratus lumborum?

Answer 10

Lateral arcuate ligament

Question 11

Where is the lateral arcuate ligament attached medially and laterally?

Answer 11

Medially: transverse process of vertebra L1
Laterally: rib 12

Question 12

T or F: the aorta enters the diaphragm by passing between the L and R crura.

Answer 12

True

Question 13

What nerve passes through the diaphragm with the IVC?

Answer 13

right phrenic n.

Question 14

What vein passes through the left crus of the diaphragm?

Answer 14

hemi-azygos vein

Question 15

What passes on posteriorly on either side of the medial arcuate ligament?

Answer 15

Sympathetic trunks

Question 16

What are the vertebral levels for the aortic, caval, and esophageal hiatuses?

Answer 16

Aortic - T12

IVC - T8

Esophagus - T10

Question 17

What supplies the motor innervation to the diaphragm?

Answer 17

C3,4,5

Question 18

Where does sensory innervation for the diaphragm come from?

Answer 18

• Phrenic n.

- some contribution from intercostal n.

Question 19

Where does blood supply for the diaphragm come from?

Answer 19

1. Musculophrenic
2. pericardicophrenic
3. superior phrenic aa.

Inferior surface
1. Inferior phrenic aa.

Question 20

Psoas major origin

Answer 20

Bodies of lumbar vertebrae

Question 21

Psoas major insertion

Answer 21

Lesser Trochanter of femur

Question 22

Psoas major innervation

Answer 22

L1-L3 ventral rami

Question 23

Psoas major action

Answer 23

Flexion of the Hip

Question 24

Psoas minor origin

Answer 24

bodies of the lumbar vertebrae

Question 25

Psoas minor insertion

Answer 25

Pectineal line (of pubis)

Question 26

Psoas minor innervation

Answer 26

Lumber Plexus

Question 27

Psoas minor action

Answer 27

Weak flexion of the vertebral column

Question 28

Qudratus lumborum origin

Answer 28

12th rib

Question 29

Qudratus lumborum insertion

Answer 29

Illiac crest

Question 30

Qudratus lumborum innervation

Answer 30

Lumbar Plexus

Question 31

Qudratus lumborum action

Answer 31

Stabilize Rib 12 and lateral bending of the trunk

Question 32

Illiacus origin

Answer 32

Iliac fossa

Question 33

Illiacus insertion

Answer 33

Lesser Trochanter of Femur

Question 34

Illiacus innervation

Answer 34

Fermoral N. (L2-L4)

Question 35

Illiacus action

Answer 35

Flexion of the Hip