quiz 2

Question 1

4 joints that make up shoulder girdle

Answer 1

Glenohumeral
Acromioclavicular
Sternoclavicular
Scapulothoracic

Question 2

which 2 joints do you do joint mobs on

Answer 2

GH
Scapulothoracic

Question 3

sternoclavicular joint type

Answer 3

saddle or plane
multiaxial

Question 4

ligaments of sternoclavicular (5)

Answer 4

1. sternoclavicular ligament
2. joint capsule
3. interclavicular ligament
4. costoclavicular ligament
5. articular disc

Question 5

acromioclavicular joint type

Answer 5

plane triaxial

Question 6

acromioclavicular ligaments

Answer 6

1. fibrous capsule
2. acromioclavicular ligament
3. coracoclavicular ligament (trapezoid, conoid)
4. coracoacromial ligament

Question 7

GH joint ligaments

Answer 7

anterior: superior, middle, inferior humeral ligaments (prevent anterior dislocation)

superiorly: coracohumeral, transverse humeral

Question 8

what ligament holds the tendon of bicep inside intertubercular groove

Answer 8

transverse humeral ligament

Question 9

what is the largest shoulder bursa

Answer 9

subacromial / subdeltoid

Question 10

loose pack or resting of GH

Answer 10

40-55 degrees abduction

30 degrees horizonal adduction in scapular plane

Question 11

closed packed position of GH

Answer 11

full abduction w lateral rotation

max congruency
min movement
max stability

Question 12

capsular pattern of restriction GH

Answer 12

lateral rotation
abduction
medial rotation

Question 13

3 things that live in subacromial space

Answer 13

1. supraspinatus tendon
2. biceps long head tendon
3. subacromial bursa

Question 14

what is the roof in the subacromial space formed by

Answer 14

coracoacromial ligament

Question 15

scapulothoracic joint

Answer 15

not a true joint

no ligaments

Question 16

what is the loose packed position of scapulothoracic

Answer 16

when arm is resting at the side

no closed pack position

Question 17

what 3 joints do the scapulothoracic rhythm involve

Answer 17

humerus
scapula
clavicle

Question 18

what is phase 1 of scapulothoracic rhythm

Answer 18

humerus 30 degrees abduction

scapula minimal movement

clavicle 0-5 degrees of elevation

Question 19

phase 2 of scapulothoracic rhythm

Answer 19

humerus 40 degrees abduction

scapula 20 degrees upward rotation

clavicle 15 degrees elevation

Question 20

phase 3 scapulothoracic rhythm

Answer 20

humerus 60 degrees abduction

30 degrees rotation of scapula

clavicle 30-50 degrees posterior rotation, 15 degrees upward elevation

Question 21

what is the humeral scapular ratio

Answer 21

for every 2 degrees of motion in the humerus there is 1 degree of motion in the scapula

Question 22

Scapulothoracic joint functions (5)

Answer 22

1. Increases ROM of shoulder for greater reach
2. Maintain length tension relationship w deltoid
3. Provide GH stability
4. Injury prevention through shock absorption
5. Permits elevation of body

Question 23

what muscles do flexion shoulder (3)

Answer 23

ant deltoid
biceps
pec major

Question 24

what mm’s extend the shoulder (2)

Answer 24

post deltoid
triceps

Question 25

what mm's do abduction of shoulder (2)

Answer 25

middle delt supraspinatus

Question 26

what mm's do adduction of GH

Answer 26

teres major lats

Question 27

what mm's do horizontal adduction (2)

Answer 27

pec major coracobrachialis

Question 28

what mm's do internal rotation (3)

Answer 28

subscapularis pec major lats

Question 29

what mm's do external rotation (2)

Answer 29

infraspinatus teres minor

Question 30

which 2 joints connect the upper arm to the axial skeleton via clavicle

Answer 30

sternoclavicular acromioclavicular

Question 31

how many degrees of abduction is done by humerus and how may degrees in done by scapula

Answer 31

humerus (GH joint) - 130 scapula - 50 degrees

Question 32

articular surfaces of SC joint

Answer 32

CONVEX sternal head of clavicle CONCAVE manubrium of sternum

Question 33

AC joint articular surfaces

Answer 33

CONVEX acromion convex lateral clavicle

Question 34

articular surfaces GH

Answer 34

convex head of humerus concave glenoid cavity

Question 35

scapulothoracic artic surfaces

Answer 35

concave subscapular fossa convex posterior ribs