Joint Osteokinematics and Arthrokinematics

Question 1

A hinge joint has how many degrees of freedom

Answer 1

one degree (humeroulnar joint)

Question 2

a pivot joint has how many degrees of freedom?

Answer 2

one (humero-radial)

Question 3

ellipsoid joint has how many degrees of freedom?

Answer 3

2 (radiocarpal)

Question 4

motion of bones relative to planes of the body

Answer 4

osteokinematics

Question 5

Ball-and-socket has ___ degrees of freedom

Answer 5

3

Question 6

a plane joint has ____ degrees of freedom

Answer 6

1 or 2

Question 7

a saddle joint has ___ degrees of freedom

Answer 7

2 thumb

Question 8

a condyloid has ___ degrees of freedom

Answer 8

2 tibiofemoral

Question 9

motion that occurs between the articular surface of the joint

Answer 9

arthrokinematics

Question 10

what happens to roll and slide with a concave moving on convex?

Answer 10

they happen in the SAME direction

Question 11

what happens to roll and slide with a convex moving on concave?

Answer 11

roll and slide happen in OPPOSITE directions

Question 12

Roll and _____ motion are the same thing

Answer 12

osteokinematic

Question 13

multiple points on one surface contact multiple points on the other surface

Answer 13

roll

Question 14

single point on one surface contacts multiple points on the other surface

Answer 14

slide

Question 15

single point on one surface rotates on single point on the other surface

Answer 15

spin

Question 16

what are the osteokinematics of the glenohumeral joint

Answer 16

fex/ext, abd/add, rotation

Question 17

describe roll and slide in shoulder flexion

Answer 17

roll - superior rotation about mediolateral axis

slide - inferior translation

Question 18

describe roll and slide in abduction at the shoulder joint

Answer 18

roll - superior rotation about the anteroposterior axis

slide - inferior translation

Question 19

describe roll and slide in external rotation about the shoulder joint

Answer 19

roll - posterior rotation about vertical axis

slide - anterior translation

Question 20

describe roll and slide in flexion of the tibiofemoral joint

Answer 20

roll - posterior rotation about the mediolateral axis

slide - posterior translation

Question 21

describe spin in the tibiofemoral joint

Answer 21

lateral rotation w/o translation

Question 22

What limitations in osteokinematics would you expect with decreased inferior slide at glenohumeral joint

Answer 22

flexion, abduction

Question 23

What limitations in osteokinematics would you expect with decreased lateral spin of radial head on humerous

Answer 23

supination

Question 24

What limitations in osteokinematics would you expect with decreased posterior slide of talus on tib-fib

Answer 24

dorsiflexion

Question 25

What limitations in osteokinematics would you expect with decreased anterior slide of femoral head on acetabulum

Answer 25

hip extension

Question 26

What limitations in arthrokinematics would you expect with decreased shoulder internal (medial) rotation

Answer 26

posterior slide of GH joint

Question 27

What limitations in arthrokinematics would you expect with decreased knee flexion

Answer 27

posterior slide of tibiofibular joint

Question 28

What limitations in arthrokinematics would you expect with decreased hip extension

Answer 28

anterior slide of coxofemoral joint

Question 29

What limitations in arthrokinematics would you expect with decreased forearm pronation

Answer 29

medial spin of radio-humeral joint