lect 1 & 2 pelvis (peritoneum, muscles, diaphragm) Flashcards
what is another name for the greater pelvis
false pelvis
what are the 2 parts of the lesser pelvis
pelvic diaphragm and perineum
what are the 2 main functions of the pelvic girdle
bear the weight of the upper body and locomotion
what unites the 3 hip bones in infants and children
triradiate cartilage
when do the ilium, ischium and pubis fuse
after puberty
what forms the iliac fossa
the anteromedial concave surface of the ala
what is the concavity between the ischial spine and the ischial tuberosity
lesser sciatic notch
what bone is the pecten pubis/pecitneal line of pubis part of
lateral part of the superior pubic ramus
what divides the greater and lesser pelves
oblique plane of the pelvic inlet
what is another name for the pelvic inlet
superior pelvic aperture
what defines the subpubic angle
the inferior borders of the ischiopubic rami
what is the pelvic outlet bounded by anteriorly
pubic arch
what is the pelvic outlet bounded by laterally
ischial tuberosities
what is the pelvic outlet bounded by posteriorly
tip of coccyx
what is the lesser pelvis between
pelvic inlet and pelvic outlet
what forms the floor of the true pelvic cavity
concave superior surface of the musculofascial pelvic diaphragm
what forms the roof of the perineum
convex inferior surface of the pelvic diaphragm
where is the sacral promontory located in reference to the center of the pelvic outlet with a median view
located directly superior to the center of the pelvic outlet
compare the pelvic inlet and outlet in males and females
it is wider, shallower and larger in females than males
compare the subpubic angle in females and males
females is nearly a right angle; males is approximately 60 degrees
compare the greater pelvis in female and male
it is deep in male and shallow in female
compare the shape of the pelvic inlet in genders
heart-shaped and narrow in male; oval and rounded and wide in female
compare the acetabulum size in males and females
large in male and small in female
what pelvic types are most common in males
android and anthropoid
what is the normal pelvic type in females
gynecoid
what pelvic shape in white females causes issues with vaginal delivery
android
what pelvic shape in black females causes issues with vaginal delivery
anthropoid
what is the narrowest fixed distance through which a baby’s head must fit through
AP diameter of lesser pelvis
what should the length of the true conjugate be for safe delivery
greater than 11cm
what type of compression occurs with crash accident of pelvis
anteroposterior compression of pelvis