pelvic girdle Flashcards
components of pelvic girdle
1 sacrum w/ 5 fused bertebrae and 2 os coxae made of ileum ishium and pubis
pelvic brim is made up of
arcuate line, sacral promontory and pectineal line
diff btwen pelvis in men and women
W = oval pelvic brim, me <3 shaped W = shorter pubic symphysis and wider pubic arch and ilic wings and more spread ischial tuberosities, shorter and less curved sacrum and more ovoid obturator foramen, men have a round ovturator foramen
ligaments of the pelvis
pubic symphysis, ant and post sacroiliac ligaments sacotuberous sacrospinous (ant to sacrotuberous) obturator membrane
sacral promontory
pt of sacrum that bulges forward anteriorly
wht is the perineum
diamond shaped region btwn the thighs made up of urogenital triangle and anal triangle
what is the pineal body
area where urogenital and anal triangels meet (gouch!)
mm of the pelvic floor
levator ani,
coccygeus
obturator internus
piriformis
mm of levator ni
iliococcygeus
pubococcygeus
puborectalis
location of piriformis m
goes from ant sacrum to greater trochanter posterior to greater sciatic notch closing off post/sup pelvic outlet
location of obturator internus
obturator foramen to the greater trochanter it attaches to levator ani as a tendinous arch
ureter passes over the ______ vessels to get into the pelvis
ext iliac
what’s the m of the bladder called?
detrusor urinae
parts of the male urethra
preprotatic, prostatic, membranous (as it passes thru deep perineal pouch) and spongy
what m acts oas the puborectal sling
puborectalis m of levator ani