Joints of the Upper Extremity I

Question 0

biaxial movement

Answer 0

2 axes (some joints in fingers)

Question 1

synarthrosis

Answer 1

no movement of joint

Question 2

acromioclavicular joint is what type of joint?

Answer 2

synovial plane joint

Question 3

glenohumeral joint is what kind of joint?

Answer 3

synovial, ball and socket

Question 4

elbow is what kind of joint?

Answer 4

synovial, hinge

Question 5

radioulnar joint?

Answer 5

synovial pivot joint

Question 6

what joints make up pectoral girdle?

Answer 6

sternoclavicular and acromioclavicular joints

Question 7

what make up pectoral/shoulder girdle?

Answer 7

scapula and clavicle

Question 8

sternoclavicular ligaments are where?

Answer 8

anterior and posterior to clavicle; costoclavicular ligament; interclavicular ligaments

Question 9

sternoclavicular joint is what kind of joint

Answer 9

multiaxial synovial

Question 10

what are the two parts of the acromioclavicular ligament?

Answer 10

superior and inferior acromioclavicular ligaments

Question 11

grade 1 shoulder separation?

Answer 11

acromioclavicular ligament sprain

Question 12

grade 2 shoulder separation

Answer 12

AC ligament tear

Question 13

grade 3 shoulder separation

Answer 13

both AC and coracoclavicular ligaments torn; piano key sign

Question 14

what limits range of motion at shoulder?

Answer 14

acromion and coracoid

Question 15

stability of glenohumeral joint is maintained by what?

Answer 15

rotator cuff muscles and tendons

Question 16

what is the glenoid labrum?

Answer 16

cartilaginous rim that extends the surface area of the glenoid

Question 17

tendons of what muscle pierce the synovial capsule of glenohumeral joint?

Answer 17

biceps brachii

Question 18

what are the ligaments of glenohumeral joint?

Answer 18

superior, inferior, middle; coracohumeral, transverse humeral, coracoacromial

Question 19

what are the glenohumeral joint bursa?

Answer 19

subscapular, subacromial (subdeltoid), subcoracoid, synovial sheath (long biceps tendon)

Question 20

what are synovial sheaths?

Answer 20

long bursa that cover tendons

Question 21

most common dislocation of glenohumeral?

Answer 21

anterior (inferior)

Question 22

flexors of elbow joint?

Answer 22

biceps brachii and brachioradialis

Question 23

extensors of elbow joint?

Answer 23

triceps

Question 24

ligaments of humeroulnar/radial articulations

Answer 24

medial (ulnar) collateral ligaments, lateral (radial) collateral ligaments

Question 25

proximal radioulnar articulation ligaments?

Answer 25

annular and quadrate ligamanets

Question 26

pronation of forearm done by?

Answer 26

pronator teres (median n.), pronator quadratus (anterior interosseus n.)

Question 27

ligaments that reinforce distal radioulnar joint?

Answer 27

palmar radioulnar and doral radioulnar ligaments

Question 28

nursemaid's elbow is what?

Answer 28

subluxation and dislocation of radial head

Question 29

what happens in subluxation and dislocation of radial head?

Answer 29

distal attachment of annular ligament becomes torn and radial head becomes dislocated

Question 30

what age group most vulnerable to nursemaids elbow?

Answer 30

preschool age

Question 31

another name of lateral epicondylitis?

Answer 31

tennis elbow; repetitive motion injury

Question 32

what are involved in lateral epicondyltitis?

Answer 32

tendons of forearm become inflamed and/or torn at lateral epicondylar attachment

Question 33

colles fracture?

Answer 33

complete transverse fx of distal 2cm of the radius

Question 34

colles fractures are common in?

Answer 34

adults >50