Pelvis Flashcards
1
Q
Coccygeus Attachment Innervation Action Blood supply
A
- ischial spine + sacrospinous ligament -> coccyx
- anterior rami S4, S5
- supports pelvis viscera
- inferior gluteal artery
2
Q
Iliacus Attachment Innervation Action Blood supply
A
- iliac fossa -> lesser trochanter
- femoral nerve
- flex hip
- iliac branches of iliolumbar
3
Q
Levator ani
Attachment
Innervation
Action
A
- pubis, ischial spine -> coccyx, perineal body
- anterior rami S3 and S4
- raises pelvic floor
4
Q
Obturator internus
Attachment
Innervation
Action
A
- obturator membrane -> greater trochanter of femur
- S5-L2
- lateral rotation, extend thigh
- superior gluteal nerve
5
Q
Piriformis Attachment Innervation Action Blood supply
A
- sacrum + sacrotuberous ligament -> greater trochanter of femur
- S1,S2
- lateral rotation, extend thigh
- superior gluteal artery
