Pelvic Girdle: boney landmark

Question 1

the pelvic girdle is the connection between

Answer 1

vertebral column to the 2 femurs

Question 2

primary functions of the pelvic girdle

Answer 2

1. bear weight of upper body when sitting and standing
2. transfer weight from axial to lower appendicular skeleton
3. attachment site for powerful muscles of locomotion and posture
4. contains and protects lower urinary tract and internal reproductive organs

Question 3

coxal bone is a fusion of which 3 bones where?

Answer 3

ilium, ischium, and pubis at the acetabulum

Question 4

the linea terminalis consist of which landmarks?

Answer 4

arcuate line,
pecten pubis (pectineal line)

sacral promontory

Question 5

acetabulum is the articulation for which bony landmark?

Answer 5

head of femur

Question 6

which structures pass through the obturator foramen?

Answer 6

obturator vein, artery, and nerve

Question 7

pelvis is composed of which bones?

Answer 7

2 innominate (coxal) bones,
sacrum

Question 8

the R and L coxal bones are joined together at:

Answer 8

pubic symphysis anteriorly,
sacroiliac joints (2) posteriorly

Question 9

what are the 2 forces at the pelvis?

Answer 9

descending and

ascending

Question 10

descending force at the pelvis comes from _

Answer 10

axial skeleton

Question 11

ascending force at the pelvis comes from _

Answer 11

appendicular skeleton of LE

Question 12

what are the 2 parts of the pelvic girdle?

Answer 12

upper/false/greater pelvis,

lower/true/small pelvis

Question 13

upper and lower pelvis are separated by

Answer 13

linea terminalis (pelvic brim)

Question 14

borders of the upper/great/false pelvis

Answer 14

lateral: ilium
anterior: abdomen/abdominal muscles
posterior: deep notch of ilium and sacrum

Question 15

divisions of the lower/true/small pelvis

Answer 15

inlet (superior circumference),
outlet (lower circumference),
cavity

Question 16

lower pelvis:

borders of superior circumference (linea terminalis)

Answer 16

lateral: pectineal and arcuate lines
front: pubic crest
behind: base of sacrum

Question 17

lower pelvis:

borders of inferior circumference

Answer 17

behind: front of the coccyx
lateral: ischial tuberosity

Question 18

lower pelvis:

borders of the cavity

Answer 18

front and below: pubic symphysis and superior ramus of pubis

above and behind: sacrum and coccyx

Question 19

male pelvis features

Answer 19

heavier/thicker, heart shaped pelvic inlet,

coccyx curved inward and immovable

Question 20

female pelvis features

Answer 20

lighter/thinner structure for childbirth,

wider/more circular pelvic inlet,

larger pelvic outlet,

stragither sacrum and coccyx,

more flexible, broader pubic arch

Question 21

angle of inclination viewed in which plane

Answer 21

frontal

Question 22

angle of inclination is the angle between

Answer 22

head and neck of femur to the shaft of femur

Question 23

angle of inclination angles for:
normal
coxa vara
coxa valga

Answer 23

normal = 125 degrees

coxa vara = less than 125

coxa valga = more than 125

Question 24

angle of torsion viewed in which plane

Answer 24

transverse plane

Question 25

angle of torsion is the angle between

Answer 25

head and neck to the femoral condyles

Question 26

angle of torsion angles for:
normal
anteversion
retroversion

Answer 26

normal: 12-15 degrees anterior to condyles
anteversion: greater than 15 degrees
retroversion: less than 12 degrees

Question 27

angle of torsion:

what can you see in anteversion?

Answer 27

pigeon toed

Question 28

angle of torsion:

what can you see in retroversion?

Answer 28

splay foot,

toe-out