L1: Bones of the pelvis Flashcards

1
Q

names for pelvic brim

A

pelvic inlet
superior outlet
pelvic brim

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2
Q

false pelvis

A

=greater pelvis

expanded area above pelvic brim

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3
Q

true pelvis

A

=lesser pelvis
portion of pelvis below pelvic brim

closed below by pelvic diaphragm

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4
Q

boundaries of pelvic inlet

A
  1. sacral promontory
  2. arcuate lines
  3. iliopectineal line
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5
Q

boundaries of pelvic outlet

A
  1. coccyx
  2. Sacrotuberous lig
  3. ischial tuberosity
  4. ischiopubic rami
  5. pubic symphysis
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6
Q

list bones of the pelvis

A

ilium
ischium
pubis

in fetus they are separate bones but fuse together

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7
Q

parts of lateral pelvis

A
  1. acetabular fossa, notch, labrum
  2. obturator foramen
  3. ischial ramus
  4. pubic rami
  5. pubic tubercle
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8
Q

acetabular labrum

A

fibrocartilage rim around acetabulum edges

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9
Q

obturator foramen

A

covered by a memb

passage for obturator nerve and vessels

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10
Q

pubic tubercle provides attachment for ?

A

inguinal ligament

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11
Q

parts of anterior pelvis

A

ASIS

AIIS

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12
Q

ASIS

A

anterior superior iliac spine

inguinal lig attachment
prox attachment for sartorius

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13
Q

AIIS

A

anterior inferior iliac spine

prox attachment for rectus femoris

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14
Q

parts of posterior pelvis

A
  1. PSIS
  2. PIIS
  3. GSN
  4. LSN
  5. Ischial spine and tuberosity
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15
Q

GSN

A

greater sciatic notch

converted into superior and inferior parts by piriformis muscle

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16
Q

posterior ligaments of the hip

A

post sacrospinous lig
Sacrotuberous lig
sacrospinous lig

17
Q

parts of medial pelvis

A
  1. iliac fossa
  2. arcuate line
  3. pubic symphysis
  4. auricular surface
18
Q

iliac fossa provides attachment for

A

iliacus muscle

19
Q

the auricular surface of ______ pelvis, articulates w/ ?

A

medial pelvis

w/ auricular surface of sacrum

20
Q

significance of pubis symphysis

A

junction between two pelvic bones

21
Q

describe the sacrum

A
  • -consists of 5 fused vertebra

- -wing like processes = alae

22
Q

alae

A

the wing-like processes of the sacrum

attachment to ilium

23
Q

sacral promontory

A

lip of body of 1st SV

24
Q

list the posterior sacral crests

A

median crest
medial crests
lateral crests

25
Q

median crest

A

fused spinous processes

26
Q

medial crests

A

fused articular processes

27
Q

lateral crests

A

fused transverse processes

28
Q

sacral hiatus

A

cave like opening on lower post sacrum

29
Q

male pelvis characteristics

A
deeper greater pelvis
narrow/deeper lesser
android pelvic inlet
small pelvic outlet
narrow pubic arch
round obturator foramen
larger acetabulum
30
Q

female pelvis characteristics

A
shallow greater
wide/shallow lesser
gynecoid inlet
large outlet
wide pubic arch
oval obturator foramen
smaller acetabulum
31
Q

list pelvis types

A

gynecoid - norm female
android - norm male

Platypelloid
anthropoid