Unit 4: Joints of the Upper Extremity

Question 1

-plane joint
-stabilized by the costoclavicular ligament, sternoclavicular ligament, and interclavicular ligament

Answer 1

sternoclavicular joint

Question 2

-plane joint
-stabilized by the acromioclavicular ligament, coracoacromial ligament, and coracoclavicular ligament

Answer 2

acromioclavicular joint

Question 3

-junction of the humeral head and glenoid cavity
-stabilized by the capsular ligament, glenohumeral ligament, and coracohumeral ligament

Answer 3

glenohumeral joint

Question 4

-only joint of the shoulder that is not a true synovial joint
-does not have a bony articulation with the thorax
-lacks a capsule
-dynamic stabilization provided by muscles to form sound “foundation” for the upper extremity

Answer 4

scapulothoracic joint

Question 5

Answer 5

costoclavicular ligament

Question 6

(looking at A)

Answer 6

sternoclavicular ligament

Question 7

Answer 7

interclavicular ligament

Question 8

Answer 8

acromioclavicular ligament

Question 9

Answer 9

coracoacromial ligament

Question 10

Answer 10

coracoclavicular ligament

Question 11

Answer 11

glenohumeral ligament

Question 12

Answer 12

coracohumeral ligament

Question 13

articulation between trochlea and trochlear notch

Answer 13

humeroulnar joint

Question 14

articulation between capitulum and radial head

Answer 14

humeroradial joint

Question 15

articulation between radial head and radial notch of ulna

Answer 15

proximal radioulnar joint

Question 16

Answer 16

capsular ligament

Question 17

Answer 17

radial collateral ligament

Question 18

Answer 18

ulnar collateral ligament

Question 19

Answer 19

annular ligament

Question 20

Answer 20

radiocarpal joint

Question 21

Answer 21

intercarpal joint

Question 22

Answer 22

carpometacarpal joint

Question 23

Answer 23

metacarpophalangeal joint

Question 24

Answer 24

proximal interphalangeal joint

Question 25

Answer 25

distal interphalangeal joint