Shoulder

Question 1

What 3 bones are involved in the shoulder girdle

Answer 1

Clavicle
Scapula
Humerus

Question 2

What are the 3 processes on the scapula

Answer 2

Acromion
Coracoid
Spinous

Question 3

What are the 3 angles of the scapula

Answer 3

Superior
Inferior
Lateral

Question 4

What 4 joints are part of the shoulder girdle

Answer 4

Sternoclavicular joint
Acromioclavicular joint
Glenohumeral (shoulder) joint
Scapulothoracic joint

Question 5

4 ligaments at the sternoclavicular joint

Answer 5

anterior sternoclavicular ligament
posterior sternoclavicular ligament
interclavicular ligament
costoclavicular ligament

Question 6

3 ligaments at the acromioclavicular joint

Answer 6

acromioclavicular ligament
coroaclavicular ligament: trapezoid and conoid

Question 7

type of joint - sternoclavicular

Answer 7

saddle

Question 8

type of joint - acromioclavicular

Answer 8

plane

Question 9

type of joint - glenohumeral

Answer 9

ball and socket

Question 10

how many degrees of freedom does the shoulder joint have

Answer 10

3

Question 11

what surface is the socket of the glenohumeral joint

Answer 11

glenoid fossa of scapular

Question 12

function of the glenoid labrum

Answer 12

deep the socket at the joint

Question 13

what type of cartilage is the labrum made of

Answer 13

fibrous

Question 14

4 rotator cuff muscles

Answer 14

supraspinatus
infraspinatus
teres minor
subscapularis

Question 15

ligament sta the glenohumeral joint

Answer 15

glenohumeral liagment
coraco-humeral ligament
transerse humeral ligament

Question 16

4 factors that affect the shoulder stability

Answer 16

glenoid labrum
glenohumeral ligament
coraco acromial arch
rotator cuff muscles

Question 17

4 shoulder flexors

Answer 17

pec major
deltoid
coracobrachialis
biceps

Question 18

4 shoulder extensors

Answer 18

deltoid (posterior fibres)
teres major
latissimus dorsi
pectorilis major

Question 19

which muscle controls the 0-15 degrees of abduction

Answer 19

supraspinatus

Question 20

which muscle controls the 15-90 degrees of abduction

Answer 20

deltoid

Question 21

which muscle controls the 90-180 degrees of abduction

Answer 21

trapezius / serratus anterior

Question 22

4 muscles controlling adduction

Answer 22

pec major
latissimus dorsi
teres major
deltoid (anterior and posterior)

Question 23

3 medial rotation muscles

Answer 23

pec major
deltoid (anterior)
latissimus dorsi

Question 24

2 lateral rotation muscles

Answer 24

infraspinatus
teres minor

Question 25

origin of anterior fibres of deltoid

Answer 25

lateral clavicle

Question 26

origin of posterior fibres of deltoid

Answer 26

spine of scapula

Question 27

origin of lateral fibres of deltoid

Answer 27

acromion process

Question 28

insertion of deltoid

Answer 28

deltoid tuberosity

Question 29

teres major origin

Answer 29

scapula

Question 30

teres major insertion

Answer 30

humerus shaft

Question 31

origin of teres minor

Answer 31

lateral edge of the scapula

Question 32

insertion of teres minor

Answer 32

head of humerus

Question 33

origin of rhomboid minor

Answer 33

c7 - t1

Question 34

insertion of rhomboid minor

Answer 34

spine of scapula

Question 35

origin of rhomboid major

Answer 35

t2-t5

Question 36

insertion of rhomboid major

Answer 36

vertebral border

Question 37

origin of latissimus dorsi

Answer 37

t7 - L5

Question 38

insertion of latissimus dorsi

Answer 38

bicipetal groove

Question 39

blood supply of the shoulder

Answer 39

axillary artery

Question 40

nerve supply of the shoulder

Answer 40

brachial plexus

Question 41

what is the scapulohumeral rhythm

Answer 41

1:2

Question 42

describe the 1:2 scapulohumeral rhythm

Answer 42

the first 30 degrees of shoulder joint motion is pure glenohumeral joint motion
after that, for every 15 degrees of elevation - scapular movement is 5 and glenohumeral is 10