Arthrokinematics

Question 1

Convex and concave portion that make up the TMJ

Answer 1

Convex: mandible head
Concave: mandibular fossa of temporal bone

*Mandible head on Mandibular fossa of temporal bone

Question 2

TMJ: elevation

Answer 2

rolls anterior

slides posterior

Question 3

TMJ: depression

Answer 3

rolls posterior

slides anterior

Question 4

TMJ: protrusion

Answer 4

mandibular condyle and disc translate anteriorly

Question 5

TMJ: retrusion

Answer 5

mandibular condyle and disc translate posteriorly

Question 6

TMJ: lateral excursion

Answer 6

Left lateral excursion:

- L condyle forms a pivor point, R condyle rotates anteriorly and medially

Question 7

Convex and concave portion of the SC joint

Answer 7

Elevation/Depression 
- Convex: clavicle
- Concave: sternum 
Protraction/Retraction
- Convex: sternum
- Concave: clavicle

Question 8

what direction would you mobilize to increase motion for TMJ elevation? depression?

Answer 8

posterior

anterior

Question 9

SC Joint: elevation

Answer 9

rolls superior

slides inferior

Question 10

what direction would you mobilize to increase motion for SC joint elevation? depression?

Answer 10

inferior

superior

Question 11

SC Joint: depression

Answer 11

rolls inferior

slides superior

Question 12

SC Joint: protraction

Answer 12

rolls and slides anterior

Question 13

SC Joint: retraction

Answer 13

rolls and slides posterior

Question 14

what direction would you mobilize to increase motion for SC joint protraction? retraction?

Answer 14

anterior

posterior

Question 15

Convex and concave portion of the GH Joint

Answer 15

Convex: humerus
Concave: glenoid fossa

*humerus on glenoid fossa

Question 16

GH Joint: flexion

Answer 16

rolls anterior

slides posterior

Question 17

Mobilization direction to increase flexion of GH joint

Answer 17

posterior

Question 18

GH Joint: extension

Answer 18

rolls posterior

slides anterior

Question 19

Mobilization direction to increase extension of GH joint

Answer 19

anterior

Question 20

GH Joint: abduction

Answer 20

rolls superior

slides inferior

Question 21

Mobilization direction to increase abduction of GH joint

Answer 21

inferior

Question 22

GH Joint: adduction

Answer 22

rolls inferior

slides superior

Question 23

Mobilization direction to increase adduction of GH joint

Answer 23

superior

Question 24

GH Joint: internal rotation

Answer 24

rolls anterior

slides posterior

Question 25

Mobilization direction to increase IR of GH joint

Answer 25

posterior

Question 26

GH Joint: external rotation

Answer 26

rolls posterior | slides anterior

Question 27

Mobilization direction to increase ER of GH joint

Answer 27

anterior

Question 28

GH Joint: horizontal abduction

Answer 28

rolls posterior | slides anterior

Question 29

Mobilization direction to increase horizontal abduction of GH joint

Answer 29

anterior

Question 30

GH Joint: horizontal adduction

Answer 30

rolls anterior | slides posterior

Question 31

Mobilization direction to increase horizontal abduction of GH joint

Answer 31

posterior

Question 32

Convex and concave portion of the RH Joint

Answer 32

Convex: capitulum Concave: radial head *radius on humerus

Question 33

RH Joint: flexion

Answer 33

rolls and slides anterior

Question 34

Mobilization direction to increase flexion of the RH joint

Answer 34

anterior

Question 35

RH Joint: extension

Answer 35

rolls and slides posterior

Question 36

Mobilization direction to increase extension of the RH joint

Answer 36

posterior

Question 37

Convex and concave portion of the Proximal RU Joint

Answer 37

Convex: radius Concave: ulna *radius on ulna

Question 38

Proximal RU Joint: pronation

Answer 38

rolls anterior | slides posterior

Question 39

Mobilization direction to increase pronation of the proximal RU joint

Answer 39

posterior

Question 40

Proximal RU Joint: supination

Answer 40

rolls posterior | slides anterior

Question 41

Mobilization direction to increase supination of the proximal RU joint

Answer 41

anterior

Question 42

Convex and concave portion of the Distal RU Joint

Answer 42

Convex: ulna Concave: radius *radius on ulna

Question 43

Distal RU Joint: pronation

Answer 43

rolls and slides anterior

Question 44

Mobilization direction to increase pronation of the distal RU joint

Answer 44

anterior

Question 45

Distal RU Joint: supination

Answer 45

rolls and slides posterior

Question 46

Mobilization direction to increase supination of the distal RU joint

Answer 46

posterior