Wk 9: Posterior Abdominal Wall Flashcards
1
Q
Psoas Minor
A
O: Bodies of T12 and L1 vertebrae and IVD
I: Pectineal line of pelvic brim & iliopubic eminence
A: helps w/ PPT, weak trunk flexor (minimal contribution)
N: Anterior rami of L1
2
Q
Iliacus
A
O: Upper 2/3 of iliac fossa
I: Lesser trochanter of femur
A: flexion of thigh at hip joint
N: Femoral n. (L2-L3)
3
Q
Quadratus Lumborum
A
O: Iliac crest and iliolumbar ligament
I: Transverse processes of L1-L4 vertebrae and inferior border
A: Depresses and stabilizes rib 12 (important for respiration), & lateral bending of trunk
