Wrist/Hand

Question 1

Distal radioulnar joint: open pack

Answer 1

10 degrees supination

Question 2

Distal radioulnar joint: closed pack

Answer 2

5 degrees supination

Question 3

Radiocarpal joint: open pack

Answer 3

Neutral w/ slight ulnar deviation

Question 4

Radiocarpal joint: closed pack

Answer 4

Full extension w/ radial deviation

Question 5

What articulates with the TFCC? (4)

Answer 5

Lunate
Triquetrum
Distal ends of ulna and medial radius

Question 6

Boutonnière Deformity

Answer 6

Bent proximal joint
Tear at PIP extensor hood

Question 7

Swan neck deformity

Answer 7

Tear at DIP extensor hood:This is wrong

Question 8

TFCC pathology and presentation

Answer 8

Lesions typically occur after a fall on a supinated wrist or repetitive rotational loading

Medial wrist pain

Pain with end range pronation/supination

Pain w/ forceful gripping

Clicking or snapping w/ wrist movement or mobilization of carpals

Question 9

TFCC test cluster (6)

Answer 9

TFCC compression test
TFCC stress test
Press Test
Supination Test
Piano key Test
Grind Test

Question 10

Lunate dislocation tests

Answer 10

Lunotriquetral shear test
Murphy Sign
Watson test

Question 11

Scaphoid tests

Answer 11

Watson test
Scaphoid shift test

Question 12

CTS tests

Answer 12

carpal compression test
Tinel’s test
Phalen’s test
Reverse phalen’s test

Question 13

Finklestein’s Test (condition, performance, positive test)

Answer 13

De Quervain’s Tenosynovitis

Grasp thumb in fist and ulnarly deviate

Reproduction of pain

Question 14

UCL sprain test (performance & positive test)

Answer 14

Tested in extension and 30* flexion, stabilize hand and apply Valgus stress through thumb

Pain and excessive movement

Question 15

Boxer’s fracture

Answer 15

Break in shaft of 5th metacarpal

Question 16

Colles Fracture

Answer 16

Complete fracture of distal radius with posterior displacement of distal fragment

Due to FOOSH

Question 17

Smith Fracture (description and MOI)

Answer 17

Reverse Colles

Complete fracture of distal radius with ANTERIOR displacement of distal fragment

Due to fall on flexed hand

Question 18

Barton Fracture

Answer 18

Posterior or Anterior articular fracture of radius resulting in subluxation of wrist

Direct injury to wrist or sudden pronation on flexed wrist

Question 19

Buckle fracture (description and MOI)

Answer 19

Incomplete non-displaced fracture of distal radius

Seen in children and due to compressive forces

Question 20

De Quervain’s Tenosynovitis (description, MOI, presentation)

Answer 20

Progressive dx involving tendon sheaths of the first compartment

Thickening of extensor retinaculum and potential stenosis of the fibroosseous canal

Repetitive ulnar and/or radial deviation, overuse of APL and EPB tendons, over extension of the thumb and repeated gripping

Dull ache over radial aspect of wrist, localized swelling and tenderness near radial styloid process

Question 21

Borders of anatomical snuffbox

Answer 21

Abductor pollicus longus
Extensor pollicis brevis

Extensor pollicis longus

Question 22

Compartment 1 contents

Answer 22

Abductor pollicis longus
Extensor pollicis brevis

Question 23

Compartment 2 contents

Answer 23

Extensor carpi radialis brevis and longus

Question 24

Compartment 3 contents

Answer 24

Extensor pollicis longus

Question 25

Compartment 4 contents

Answer 25

Extensor digitorum
Extensor indicis

Question 26

Compartment 5 contents

Answer 26

Extensor digiti minimi

Question 27

Pronation/supination ROM

Answer 27

85-90*

Question 28

Radial deviation ROM

Answer 28

15*

Question 29

Ulnar Deviation ROM

Answer 29

30-45*

Question 30

Wrist flexion ROM

Answer 30

80-90*

Question 31

Wrist extension ROM

Answer 31

70-90*

Question 32

MCP flexion ROM

Answer 32

85*

Question 33

PIP flexion ROM

Answer 33

110*

Question 34

DIP flexion ROM

Answer 34

65*