Abdomen & Pelvis Flashcards
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