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Upper Eval > Wrist & Hand Flashcards > Flashcards

Wrist & Hand Flashcards

1
Q

MOI for a scaphoid fracture

A

Fall on an out stretched hand and a hyper extended wrist

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2
Q

T or F

10-15 is the most common age for a scaphoid break?

A

False

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3
Q

T or F

there is no obvious deformity with a scaphoid fracture

A

True

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4
Q

What is the best test for a scaphoid fracture?

A

anatomical snuff box

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5
Q

What is the best diagnostic test for a scaphoid fracture?

A

Bone scan

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6
Q

Where is the pain located with a scaphoid fracture?

A

At the base of the thumb

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7
Q

What type of fractures are non surgical?

A

Non-displaced or hairline fractures

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8
Q

What type of cast do non surgical fractures get?

A

thumb and hand included and ends below the elbow or thumb included and extends past elbow

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9
Q

How far are surgical fractures displaced?

A

1mm

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10
Q

two ways surgical fractures are repaired

A

with screws or bone grafts

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11
Q

two places where the bone graft is taken from

A

the forearm or the hip

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12
Q

return to play time frame?

A

8-12 weeks but as long as 24 weeks

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13
Q

injury scaphoid fracture is often mistaken as?

A

Wrist sprain

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14
Q

What kind of exercises need to be done after cast is removed?

A

ROM exercises like Pflexion, Pextension, ball squeezes, pronation, supination

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15
Q

what are the complications that can come from a scaphoid break?

A

A non union and avascular necrosis

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16
Q

What is a nonunion?

A

what the bone fails to heal because of poor blood supply

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17
Q

how do they correct a nonunion?

A

bone graft

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18
Q

what is avascular necrosis?

A

a displaced bones vascular supply is disrupted, causing it to die

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19
Q

how is avascular necrosis treated?

A

bone graft that has a good vascular supply

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20
Q

what are the more likely sports to have a scaphoid fracture?

A

football, basketball, and extreme sport

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21
Q

what is the most commonly fractured carpal bone in the hand

A

scaphoid

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22
Q

what is the most commonly dislocated carpal bone in the hand

A

lunate

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23
Q

what ligament originates off the styloid process and inserts on the scaphoid and trapezium

A

RCL

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24
Q

ligament responsible for checking radial deviation

A

UCL

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25
Q

primary extensor of the lateral four fingers’ interphalangeal (IP) joints, assists in wrist extension

A

extensor digitorum communis

26
Q

what is the muscle responsible for the flexion of the four proximal interphalangeal (PIP) joints

A

flexor digitorum superficialis

27
Q

in what percentage of the population is the palmaris longs found to be absent?

A

12% to 15%

28
Q

Which pulleys are located on the distal aspect of the metacarpal and the most proximal member of the pulley system

A

palmar aponeurosis pulleys

29
Q

Which nerve travels through the Tunnel of Guyon which is formed by the hamate and pisiform?

A

ulnar nerve

30
Q

Which nerve travels through the carpal tunnel in the wrist?

A

Median nerve

31
Q

Which ligament forms the roof of the carpal tunnel?

A

Transverse carpal ligament

32
Q

Which wrist pathology is commonly associated with clicking on the ulnar side of the wrist?

A

Triangular fibrocartilage tear

33
Q

Trauma or pathology to which nerve results in a drop-wrist deformity?

A

Radial nerve

34
Q

What is a benign collection of thick fluid within a tendinous sheath or joint capsule found on the wrist and hand called

A

Ganglion cyst

35
Q

What is an infection around the periphery of the fingernail that results in redness and swelling?

A

Paronychia

36
Q

Which carpal bone is as palpable as the floor of the anatomical snuffbox?

A

Scaphoid

37
Q

nonarticular fracture of the radius causing the distal radius to be displaced dorsally

A

Colles’ fracture

38
Q

Which bones in the hand is involved in a boxer’s fracture?

A

Fourth & Fifth metacarpal

39
Q

Rupture of the central extensor tendon that causes the lateral bands to slip palmarly on each side of the PIP

A

Boutonniere deformity

40
Q

What is the special test used to support or refute the presence of de Quervain syndrome?

A

Finkelstein’s test

41
Q

What is a fracture of the base of the first metacarpal that extends into the articular surface called?

A

Bennett’s fracture

42
Q

Which of the following is a fracture where the distal radius is displaced palmarly?

A

Smith’s fracture

43
Q

What special test indicates a scapholunate ligament injury?

A

Watson test

44
Q

Which carpal bone is at the base of the 1st metacarpal?

A

Trapezium

45
Q

Which of the following statements is NOT correct?

A

The trapezoid aligns with the first metacarpal

46
Q

Which of the carpal bones float?

A

Pisiform

47
Q

Which ligament is most important in controlling motion and wrist stability?

A

Palmar radiocarpal ligament

48
Q

Which of the following is NOT a function of the TFCC?

A

Stabilizes radial side carpals

49
Q

Which of the following is an extrinsic muscle of the wrist?

A

ALL??

50
Q

Which nerve innervates the extensor muscle of the wrist and fingers?

A

Radial

51
Q

Which of the following muscles do NOT influence wrist movement?

A

Brachioradialis

52
Q

The deep branch of what nerve innervates the hypothenar eminence?

A

Ulnar

53
Q

What are small cuts or abrasions over the dorsal surface of the MCP or Ip joints known as?

A

Russell’s sign

54
Q

Which carpal bone is at the base of the 2nd metacarpal?

A

Trapezoid

55
Q

The wrist allows __________ of motion in ulnar deviation

A

35 degrees

56
Q

Which nerve supplies the primary innervation for wrist flexion and radial deviation?

A

Median

57
Q

What pathology causes drop-wrist syndrome?

A

Radial nerve pathology

58
Q

Fracture where the radius displaces posteriorly

A

ALL?

59
Q

Which is FALSE regarding a scaphoid fracture?

A

It is common because of its roll as a bony block-limiting flexion.

60
Q

Which of the following would be true regarding carpal tunnel syndrome?

A

ALL of the above

Upper Eval (5 decks)

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