Pelvic girdle Flashcards
Greater pelvis: superior pelvic girdle or inferior pelvic girdle?
Superior pelvic girdle
Inferior pelvic girdle: greater pelvis or lesser pelvis?
Lesser pelvis
Superior pelvic girdle: abdominal viscera or pelvic viscera?
Abdominal viscera
What is the area between the thighs and the buttocks?
Perineum
What are the three bones that form the pelvic girdle?
Right and left pelvic (innominate) bones and sacrum
What are the three bones that fuse to form the coxal bones?
Ilium, ischium, pubis
How many bones fuse to form the sacrum?
Five
What is the cup-like depression in the lateral surface of the hip bone, which articulates with the head of the femur?
Acetabulum
When does the ischium, ilium and pubis fuse?
After puberty
The two innominate bones are joined anteriorly at which structure?
Pubis symphysis
Which joints articulate the sacrum with the innominate bones?
Sacroiliac joints
Which part of the innominate bone is superior and fan-shaped?
Ilium
What part of the ilium represents the spread of the fan?
Ala
What part of the ilium represents the handle of the fan?
Body
Which part of the ilium has a curve that follows the contour of the ala between the ASIS and the PSIS?
Iliac crest
Which parts of the innominate bones form the obsturator foramen?
Ischium and pubis
Ischial spine: anterior or posterior?
Posterior
What is the concavity between the ischial spine and the ischial tuberosity?
Lesser sciatic notch
Which concavity is above the ischial spine?
Greater sciatic notch
Greater pelvis: true pelvis or false pelvis?
False
Which plane divides the pelvis into greater and lesser?
Pelvic inlet
The following are true about the innominate bone except:
a. It is composed of the ilium, ischium and coccyx
b. Highest bone is the ilium
c. Anterior joint is the pubic symphysis
d. Posterior joint is the sacroiliac synchondroses
A
The shortest distance is the pelvic cavity is between the:
a. Linea terminalis
b. Ischial tuberosity
c. Ischial spines
d. Sacral promontory and symphysis pubis
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The linea terminalis consists of which ridges?
Arcuate line, pecten pubis, pubic crest
What forms the pubic arch?
Right and left ischiopubic rami
The ischiopubic rami meet at which point?
Pubic symphysis
The inferior borders of the of the pubic symphysis define which angle?
Subpubic angle
