Chapter 7 Pelvis
in the average adult the neck of the femur projects anterorly from the body approx. ____ to ____ degrees and superiorly at an angle of approx. ___ to ____ degrees to the long axis of the femoral body
15 to 20 degrees, 120 to 130 degrees
the pelvic gridle is composed of only ___ hip bones
2 hip bones
what bones make up the pelvis
2 hip bones, sacrum and coccyx
The pelvis consists of how many bones
4
hip articulation of the head of the femora with the _______
acetabula
the iliopubic column and the ilioischial column are used to identify fractures around the ________
acetabulum
the ilium, pubis and ischium together form the _________
acetabulum
the superior ramus projects inferiorly and medially from the ________ to the midline of the body
acetabulum
males angle at pubis symphysis is ______
acute
the ilium consists of a body and a broad curved portion called the _______
ala
the __________ is an important and frequently used radiographic positioning reference point
anterior superior iliac spine "ASIS"
the anterior and posterior borders present four prominent projections which are
anterior superior iliac spine, anterior inferior iliac spine, posterior superior iliac spine and posterior inferior spine
the ala has three borders which are
anterior, posterior and superior
the inferior and posterior portions of the wing present a large rough surface the ______ surface for articulation with the sacrum
auricular surface
the pubic symphysis joint is a _______________ joint
cartilaginous symphysis joint
pubic symphysis is ________, _________ joint
cartilaginous, slightly moveable joint
highest point of greater trochanter lies in same horizonatal plane as the midpoint of the hip and ________
coccyx
the acetabulum is the cup shaped socket, that recieves the head of the _______
femur
the ilium curves inward below this surface, forming the greater ______ notch
greater sciatic notch
which palapable landmark is at the same level as the pubic symphysis
greater trochanter
the _____ serves as the attachement of the lower limbs
gridle
males have a heavier, ______, _______ pelvis
heavier, narrower, deeper pelvis
the knee and the ankle are hinge joints, the wide range of motion of the lower limb depends on the ball and socket joint of the ____
hip
the superior margin extending from the ASIS to the posterior superior iliac spine is called the
iliac crest
the medial surface of the wing contains the _____ fossa and is seperated from the body of the bone by a smooth arc-shaped ridge, the ______ line which forms part of the circumference of the pelvic brim.
iliac fossa, arcuate line
the hip bone is divided into two distinict areas which are the ________ column and the _______ column
iliopubic column and the ilioischial column
the hip bone consists of the _____, pubis, and _______
ilium, pubis, and ischium
the ischium consits of a body and the ______ ramus
inferior
at the superoposterior border of the body is a pominent projection called the ______ spine
ischial spine
when the body is in a seated upright postion, its weight rests on the two ______________
ischial tuberosities
the ischium projects posteriorly and inferiorly from the acetabulum to form an expanded portion called the _______ tuberosity
ischial tuberosity
the female pelvis is ______ in stucture than the male pelvis
lighter
the pubic symphysis is in junction of the right and left pubic bones in the ______
midline
female angles at pubic symphysis is _______
obtuse
the hip bone is also referred to as the ________ or innominate bone
os coxae
the ala projects superiorly from the body to form the _______ of the hip
prominence of the hip
most prominent point of greater trochanter is in the same horizontal plane as the _______ _________
pubic symphysis
the pubes of the hip bones articulate with each other at the anterior midline of the body forming a joint called the ________________
pubic symphysis
what composes the hip bone
pubis and ischium
the pubis consits of a body the superior and inferior _______
ramus
the articulation between the acetabulum and the head of the femur is ______________ joint that permits movement in all directions
synovial ball and socket joint
the SI articulations are synovial ______________ joints
synovial irregular joints
hip joint is a _________________ joint
synovial, ball and socket type
each bone has _____ parts
three
The pelvis serves as a base for the ______
trunk
the body of the ilium forms approximately ____ of the acetabulum
two fifths
female pelvis is wider, ________, lighter
wider, shallower, lighter