quiz 1

Question 1

what is the study of joints called

Answer 1

arthrology

Question 2

what is osteokinematics

Answer 2

movement of body parts

Question 3

what is arthrokinematics

Answer 3

movements that occur inside the joint

roll, spin, glide

Question 4

what 3 things are joints classified by

Answer 4

structure
function
biomechanical properties

Question 5

name the 3 structural joints

Answer 5

fibrous
cartilaginous
synovial

Question 6

name the 3 functional joint types

Answer 6

diarthrosis
synarthrosis
amphiarthrosis

Question 7

what are the 3 biomechanical properties

Answer 7

simple joint
complex joint
compound joint

Question 8

3 types of fibrous joints

Answer 8

interosseous membrane
syndesmosis
sutures

Question 9

where are the only two interosseus membranes in the body

Answer 9

between radius and ulna
between tibia and fibula

Question 10

3 types of cartilaginous joints

Answer 10

synchondrosis
symphysis
epiphyseal cartilage

Question 11

name 5 functions of synovial fluid

Answer 11

reduce friction
shock absorber
lubricates cavity
supplies oxygen and nutrients
takes away CO2

Question 12

what does the labrum do

Answer 12

deepen the socket and increase surface area

Question 13

what do tendon sheaths do and what is an example of one

Answer 13

reduce friction at joints

transverse humeral ligament over biceps

Question 14

name the 6 synovial joints

Answer 14

ball and socket
hinge (ginglymus)
pivot
saddle
condyloid
plane

Question 15

examples of plane joints

Answer 15

AC and sternoclavicular

can be biaxial or triaxial

Question 16

Examples of pivot joint

Answer 16

atlantoaxial joint
radioulnar

Question 17

example of condyloid

Answer 17

radiocarpal

Question 18

list 3 factors affecting contact in a synovial joint

Answer 18

1. structure or shape of articulating bones
2. contact of soft parts
3. strength/tension of ligaments around joint

Question 19

what are the 3 ways a joint surfaces move on one another

Answer 19

roll
spin
glide/slide

Question 20

name the 4 main types of movement

Answer 20

gliding
angular movements
rotation
special movements

Question 21

name special movements (7)

Answer 21

opposition
dorsiflexion, plantarflexion
radial dev/ ulnar dev
protraction/retraction
supination/pronation
elevation/depression
inversion/eversion

Question 22

what is an angular motion

Answer 22

movements that change the angle between the two articulating bones

Question 23

examples of angular motion

Answer 23

flexion/extension
lateral flexion
hyperextension
abduction/adduction
circumduction

Question 24

what is ROM

Answer 24

measurement of the amount of movement around a specific joint

Question 25

2 ways to measure ROM

Answer 25

passive and active

Question 26

closed packed posiyion

Answer 26

where joints have max area of contact w each other joint stability = greatest injury = fracture, dislocation

Question 27

close packed =

Answer 27

maximum congruency minimum mobility maximum stability

Question 28

what is the result of a total joint reaction

Answer 28

capsular pattern of restriction

Question 29

the capsular pattern of restriction names the most restricted range to the

Answer 29

least restricted range

Question 30

what is a capsular pattern of restriction

Answer 30

predictable pattern of movement restriction that occurs in a synovial joint

Question 31

GH capsular pattern of restriction

Answer 31

lat rotation abduction med rotation

Question 32

what is kinesthesia

Answer 32

perception of body movements

Question 33

3 types of proprioceptors

Answer 33

muscle spindles golgi tendon organs joint kinesthetic receptors

Question 34

muscle spindles detect what

Answer 34

length /stretch of muscle

Question 35

what does GTO sense

Answer 35

tension

Question 36

what do joint kinesthetic receptors monitor

Answer 36

stretch in a synovial joint and send info to brain for a response

Question 37

define sprain

Answer 37

overstretching or tearing of a ligament

Question 38

dislocation

Answer 38

abnormal separation of a joint

Question 39

effects of aging on joints

Answer 39

decreased synovial fluid decreased joint space cartilage becomes thinner ligaments shorten muscles weaken