Week 1

Question 1

What are the 7 types of bones?

Answer 1

Long, short, flat, irregular, sesamoid, pneumatic, sutural

Question 2

What is the bone group that forms the longitudinal axis of the body called?

Answer 2

The axial skeleton

Question 3

Name for mid section of long bone, with 2 _______ sections on either end

Answer 3

Diaphysis, Epiphysis

Question 4

What is the diaphysis and epiphysis divided by?

Answer 4

epiphyseal plate/line (growth plate)

Question 5

Immovable joint =

Answer 5

Synarthrosis

Question 6

Slightly movable joint =

Answer 6

amphiarthrosis

Question 7

Movable joint =

Answer 7

diarthrosis

Question 8

3 types of cartilage

Answer 8

fibrocartilage, hyaline and elastic

Question 9

pelvic bones aka c _ _ _ _

Answer 9

coxal bones

Question 10

3 pelvic bones connected by _____ cartilage, which fuses by 18-25 years of age

Answer 10

tiradiate

Question 11

4 weak areas of the pelvis:

Answer 11

pubic rami
acetabulum
SIJ
alae of ilium

Question 12

4 pelvic joints

Answer 12

lumbosacral, SIJ, pubic symphysis, sacrococcygeal

Question 13

lumbosacral joint reinforced by _________

Answer 13

iliolumbar and lumbosacral joints

Question 14

2 __________ also reinforce and help form the lumbosacral joint

Answer 14

zygopophyseal

Question 15

Spondylolysis =

Answer 15

separation of L5 into two segments

Question 16

spondylolisthesis =

Answer 16

anterior displacement of L5 (bilateral)

Question 17

SIJ ligaments (x3) =

Answer 17

anterior SIJ
posterior SIJ
Interosseous SIJ

Question 18

sacrococcygeal reinforced by

Answer 18

anterior and posterior sacrococcygeal ligs

Question 19

Greater and lesser pelvis located

Answer 19

above pelvic inlet, between inlet and outlet

Question 20

function of perineum

Answer 20

resists intra-abdominal pressure increase

Question 21

weak perineal muscles lead to

Answer 21

urinary stress incontenance

Question 22

innominate =

Answer 22

pubis, ilium, ischium

Question 23

wedge shape of sacrum allows

Answer 23

nutation: the pulling of innominates together as force is projected forward

Question 24

the pelvic ring consists of

Answer 24

SIJ posteriorly, pubic symphysis. 1 break in ring considered severe, 2 = long time on hospital, usually requires frame

Question 25

what type of joint is SIJ

Answer 25

both part synovial, and part fibrocartilaginous

Question 26

What is the shape of SIJ

Answer 26

L shape long axis = dorsocaudal Short axis = dorsocephalad wider anteriorly than posteriorly, wider superiorly that inferiorly

Question 27

inc sacral angle (horizontal to sacrum/L5 articulation) leads to

Answer 27

increased lumbar lordosis, more shear force in lordosis

Question 28

As people age, SIJ

Answer 28

movement decreases, due to more bone bumps/rigidity

Question 29

No __________ cross over SIJ

Answer 29

Muscles. Ligaments do, however (ie: sacrotuberous, sacrospinous, interosseous, long dorsal sacroiliac and iliolumbar, thoracodorsal fascia TDF)

Question 30

Counternutation

Answer 30

forward rotation of superior aspect of sacrum

Question 31

What does nutation do to pelvic diameters?

Answer 31

increases outlet diameter, decreases diameter of brim

Question 32

what happens to ASIS and PSIS in neutral pelvic tilt

Answer 32

they lie within the same horizontal plane

Question 33

excessive lateral pelvic tilt during gait

Answer 33

trendelenberg

Question 34

Trendelenburg + trunk flexion over stance leg

Answer 34

gluteus medius gait