Abdomen & Pelvis Flashcards
(20 cards)
Innervation of EAO
T7-T12
Innervation of IAO
T7-T12, L1
Innervation of quadratus lumborum
T12-L3 (lumbar plexus ventral rami)
Innervation of rectus abdominis
T5-T12
Innervation of transversus abdominis
T7-T12
Innervation of iliacus
femoral
Innervation of psoas
L1-L3
Piriformis innervation
n to piriformis
Innervation of obturator internus
nerve to obturator internus
Innervation of coccygeus
S4-S5
Innervation of levator ani
levator ani nerve (S4)
Iliococcygeus and pubococcygeus also are innervated by inferior rectal nerve (pudendal S3-4)
What does perineal branch of pudendal nerve innervate?
Bulbospongiosus
Ischiocavernosus
External urethral sphincter
Superficial and deep transverse perineal muscles
What attaches to ASIS
inguinal ligament
What attaches to iliac tuberosity
dorsal and interosseus sacroiliac ligs, iliolumbar ligament
What attaches to pubic tubercle
inguinal ligament
What is transmitted through greater sciatic notch?
piriformis, superior/inferior gluteal arteries, sciatic, pudendal, and sup/inf gluteal nerves
What attaches to inferior pubic ramus
ischiocavernous
What is transmitted through lesser sciatic notch
obturator internus tendon, pudendal nerve, internal pudendal a & v
What attaches to ischial tuberosity
sacrotuberous ligament
What does levator ani attach to
tendinous arch of levator ani