L1: Bones of the pelvis Flashcards
names for pelvic brim
pelvic inlet
superior outlet
pelvic brim
false pelvis
=greater pelvis
expanded area above pelvic brim
true pelvis
=lesser pelvis
portion of pelvis below pelvic brim
closed below by pelvic diaphragm
boundaries of pelvic inlet
- sacral promontory
- arcuate lines
- iliopectineal line
boundaries of pelvic outlet
- coccyx
- Sacrotuberous lig
- ischial tuberosity
- ischiopubic rami
- pubic symphysis
list bones of the pelvis
ilium
ischium
pubis
in fetus they are separate bones but fuse together
parts of lateral pelvis
- acetabular fossa, notch, labrum
- obturator foramen
- ischial ramus
- pubic rami
- pubic tubercle
acetabular labrum
fibrocartilage rim around acetabulum edges
obturator foramen
covered by a memb
passage for obturator nerve and vessels
pubic tubercle provides attachment for ?
inguinal ligament
parts of anterior pelvis
ASIS
AIIS
ASIS
anterior superior iliac spine
inguinal lig attachment
prox attachment for sartorius
AIIS
anterior inferior iliac spine
prox attachment for rectus femoris
parts of posterior pelvis
- PSIS
- PIIS
- GSN
- LSN
- Ischial spine and tuberosity
GSN
greater sciatic notch
converted into superior and inferior parts by piriformis muscle