Shoulder Complex

Question 1

4 joints in the complex

Answer 1

Sternoclavicular, acromioclavicular, glenohumeral, scapulothoracic

Question 2

Which joint in the complex is not synovial

Answer 2

Scapulothoracic

Question 3

Abduction

Answer 3

Moving away from the trunk

Question 4

Adduction

Answer 4

Moving closer to the trunk

Question 5

SC joint is a ___ synovial joint

Answer 5

Plane

Question 6

SC articulation has 2 ___ shaped surfaces

Answer 6

Saddle

Question 7

SC ligaments

Answer 7

Anterior SC, costoclavicular, interclavicular

Question 8

AC joint is a ___ synovial joint

Answer 8

Plane

Question 9

AC joint joins what two bones

Answer 9

Acromiom of the scapula and clavicle

Question 10

AC joint ligaments

Answer 10

Coracoclavicular (medial and lateral), coracoacromial, acromioclavicular

Question 11

GH joint is a ___ synovial joint

Answer 11

Ball and socket

Question 12

GH joint joins what two bones

Answer 12

Convex head of the humerus with the concave glenoid fossa of the scapula

Question 13

GH joint ligaments

Answer 13

Superior, middle, inferior, coracohumeral

Question 14

ST joint is ___ a true joint

Answer 14

Not

Question 15

What muscle complex helps shoulder motion

Answer 15

Rotator cuff

Question 16

Fibrocartilage rim that deepens the glenoid cavity

Answer 16

Labrum

Question 17

Rotator cuff muscles

Answer 17

Supraspinatus, infraspinatus, teres minor, subscapularis