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
posterior ligaments of the hip
post sacrospinous lig
Sacrotuberous lig
sacrospinous lig
parts of medial pelvis
- iliac fossa
- arcuate line
- pubic symphysis
- auricular surface
iliac fossa provides attachment for
iliacus muscle
the auricular surface of ______ pelvis, articulates w/ ?
medial pelvis
w/ auricular surface of sacrum
significance of pubis symphysis
junction between two pelvic bones
describe the sacrum
- -consists of 5 fused vertebra
- -wing like processes = alae
alae
the wing-like processes of the sacrum
attachment to ilium
sacral promontory
lip of body of 1st SV
list the posterior sacral crests
median crest
medial crests
lateral crests