DISSECTION 6: POSTERIOR ABDOMINAL WALL Flashcards
1
Q
Psoas Major
A
O: lumbar vertebrae
I: lesser trochanter of femur
A: flex thigh and extend vertebral column
N: L1-L4 (anterior rami)
2
Q
Psoas minor
A
O: Lateral surface of T12 and L1
I: iliopubic eminence and arcuate line of the ilium
A: tilts pelvis posteriorly
N: L1-L2(anterior rami)
3
Q
Iliacus
A
O: iliac fossa
I: lesser trochanter of femur
A: flex thigh
N: femoral N
4
Q
Quadratus Lumborum
A
O: 12th rib and lumbar transverse processes
I: iliolumbar ligament and iliac crest
A: flex vertebral column laterally and anchors the rib cage during respiration
N: T12-L4(anterior rami)
