Shoulder Region Bony/True Joints

Question 1

sternoclavicular joint articulating surfaces

Answer 1

medial end of clavicle to the clavicular facet of sternum and superior border of first rib

clavicle = convex vertically (y-axis)
sterum = concave anteroposteriorly (x-axis)

Question 2

sternoclavicular joint type of joint

Answer 2

saddle, planar synovial joint

Question 3

sternoclavicular joint degrees of freedom

Answer 3

three degrees of freedom:
* elevation-depression
* protraction-retraction
* transverse rotation-axial rotation

Question 4

sternoclavicular joint open pack position

Answer 4

arm resting by side

Question 5

sternoclavicular joint close pack position

Answer 5

full elevation and protraction

Question 6

sternoclavicular joint capsular pattern

Answer 6

pain at extremes of ROM, especially in horizontal adduction and full elevation

Question 7

acromioclavicular joint articulating surfaces

Answer 7

acromial facet on clavicle and clavicular facet on acromion

Question 8

acromioclavicular joint type of joint

Answer 8

planar/gliding joint

Question 9

acromioclavicular joint degrees of freedom

Brunnstrom

Answer 9

three degrees of freedom:
* elevation-depression
* abduction-adduction
* upward rotation (20°-30°)-downward rotation

Question 10

acromioclavicular joint degrees of freedom

Norkin

Answer 10

three degrees of freedom:
* internal rotation-external rotation
* scapular tilting (anterior-posterior)
* upward rotation-downward rotation

Question 11

acromioclavicular joint open pack position

Answer 11

arms resting by side

Question 12

acromioclavicular joint close pack position

Answer 12

90° abduction

Question 13

acromioclavicular joint capsular pattern

Answer 13

pain at extremes of ROM, horizontal adduction and full elevation

Question 14

glenohumeral joint articulating surfaces

Answer 14

large spherical head of humerus and small glenoid cavity of scapula

Question 15

glenohumeral joint type of joint

Answer 15

ball-and-socket joint/enarthrodial joint/ multiaxial joint

Question 16

glenohumeral joint degrees of freedom

Answer 16

three degrees of freedom:
* flexion-extension
* abduction-adduction
* internal rotation-external rotation

Question 17

glenohumeral joint open pack position

Answer 17

55° abduction, 30° horizontal adduction

Question 18

glenohumeral joint close pack position

Answer 18

ABER

Question 19

glenohumeral joint capsular pattern

Answer 19

EX > AB > IR

Question 20

sternoclavicular joint elevation osteokinematics

Answer 20

30° to 45°

Question 21

sternoclavicular joint elevation arthrokinematics

Answer 21

convex part (clavicle)
superior roll, inferior slide

Question 22

sternoclavicular joint depression osteokinematics

Answer 22

from resting position, 5° to 10°

Question 23

sternoclavicular joint depression arthrokinematics

Answer 23

convex part (clavicle)
inferior roll, superior slide

Question 24

sternoclavicular joint elevation/depression plane and axis

Answer 24

frontal plane, anteroposterior axis (z-axis)

Question 25

sternoclavicular joint retraction osteokinematics

Answer 25

from resting position, 15° to 30°

Question 26

sternoclavicular joint retraction arthrokinematics

Answer 26

concave part (clavicle) posterior roll, posterior slide

Question 27

sternoclavicular joint protraction osteokinematics

Answer 27

from resting position, 15° to 30°

Question 28

sternoclavicular joint protraction arthrokinematics

Answer 28

concave part (clavicle) anterior roll, anterior slide

Question 29

sternoclavicular joint protraction/retraction plane and axis

Answer 29

transverse plane, vertical axis (y-axis)

Question 30

sternoclavicular joint axial/transverse rotation osteokinematics

Answer 30

40° to 50°

Question 31

sternoclavicular joint axial/transverse rotation arthrokinematics

Answer 31

clavicle spins on lateral surface of articular disc

Question 32

sternoclavicular joint axial/transverse rotation plane and axis

Answer 32

transverse plane, vertical axis (y-axis)

Question 33

acromioclavicular joint osteokinematics | Brunnstrom

Answer 33

elevation-depression abduction-adduction upward rotation (20°-30°)-downward rotation

Question 34

acromioclavicular joint osteokinematics | Norkin

Answer 34

medial rotation-lateral rotation scapular tilting (anterior-posterior) upward rotation-downward rotation

Question 35

acromioclavicular joint arthrokinematics

Answer 35

joint surfaces are flat, roll and slide do not occur

Question 36

glenohumeral joint flexion osteokinematics

Answer 36

180°

Question 37

glenohumeral joint flexion arthrokinematics

Answer 37

concave part (humerus) anterior roll, posterior slide

Question 38

glenohumeral joint extension osteokinematics

Answer 38

60°

Question 39

glenohumeral joint extension arthrokinematics

Answer 39

convex part (humerus) posterior roll, anterior slide

Question 40

glenohumeral joint flexion/extension plane and axis

Answer 40

sagittal plane, transverse/medio-lateral axis (x-axis)

Question 41

glenohumeral joint abduction osteokinematics

Answer 41

180°

Question 42

glenohumeral joint abduction arthrokinematics

Answer 42

convex part (humerus) superior roll, inferior slide

Question 43

glenohumeral joint adduction osteokinematics

Answer 43

ewan ko!

Question 44

glenohumeral joint adduction arthrokinematics

Answer 44

convex part (humerus) inferior roll, superior slide

Question 45

glenohumeral joint internal rotation osteokinematics

Answer 45

90°

Question 46

glenohumeral joint internal rotation arthrokinematics

Answer 46

convex part (humerus) anterior roll, posterior slide

Question 47

glenohumeral joint external rotation osteokinematics

Answer 47

90°

Question 48

glenohumeral joint external rotation arthrokinematics

Answer 48

convex part (humerus) posterior roll, anterior glide

Question 49

glenohumeral joint internal/external rotation plane and axis

Answer 49

horizontal/transverse plane, vertical/longitudinal axis (y-axis)

Question 50

glenohumeral joint abduction/adduction plane and axis

Answer 50

frontal plane, anteroposterior axis (z-axis)