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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
primary extensor of the lateral four fingers' interphalangeal (IP) joints, assists in wrist extension
extensor digitorum communis
26
what is the muscle responsible for the flexion of the four proximal interphalangeal (PIP) joints
flexor digitorum superficialis
27
in what percentage of the population is the palmaris longs found to be absent?
12% to 15%
28
Which pulleys are located on the distal aspect of the metacarpal and the most proximal member of the pulley system
palmar aponeurosis pulleys
29
Which nerve travels through the Tunnel of Guyon which is formed by the hamate and pisiform?
ulnar nerve
30
Which nerve travels through the carpal tunnel in the wrist?
Median nerve
31
Which ligament forms the roof of the carpal tunnel?
Transverse carpal ligament
32
Which wrist pathology is commonly associated with clicking on the ulnar side of the wrist?
Triangular fibrocartilage tear
33
Trauma or pathology to which nerve results in a drop-wrist deformity?
Radial nerve
34
What is a benign collection of thick fluid within a tendinous sheath or joint capsule found on the wrist and hand called
Ganglion cyst
35
What is an infection around the periphery of the fingernail that results in redness and swelling?
Paronychia
36
Which carpal bone is as palpable as the floor of the anatomical snuffbox?
Scaphoid
37
nonarticular fracture of the radius causing the distal radius to be displaced dorsally
Colles' fracture
38
Which bones in the hand is involved in a boxer's fracture?
Fourth & Fifth metacarpal
39
Rupture of the central extensor tendon that causes the lateral bands to slip palmarly on each side of the PIP
Boutonniere deformity
40
What is the special test used to support or refute the presence of de Quervain syndrome?
Finkelstein's test
41
What is a fracture of the base of the first metacarpal that extends into the articular surface called?
Bennett's fracture
42
Which of the following is a fracture where the distal radius is displaced palmarly?
Smith's fracture
43
What special test indicates a scapholunate ligament injury?
Watson test
44
Which carpal bone is at the base of the 1st metacarpal?
Trapezium
45
Which of the following statements is NOT correct?
The trapezoid aligns with the first metacarpal
46
Which of the carpal bones float?
Pisiform
47
Which ligament is most important in controlling motion and wrist stability?
Palmar radiocarpal ligament
48
Which of the following is NOT a function of the TFCC?
Stabilizes radial side carpals
49
Which of the following is an extrinsic muscle of the wrist?
ALL??
50
Which nerve innervates the extensor muscle of the wrist and fingers?
Radial
51
Which of the following muscles do NOT influence wrist movement?
Brachioradialis
52
The deep branch of what nerve innervates the hypothenar eminence?
Ulnar
53
What are small cuts or abrasions over the dorsal surface of the MCP or Ip joints known as?
Russell's sign
54
Which carpal bone is at the base of the 2nd metacarpal?
Trapezoid
55
The wrist allows __________ of motion in ulnar deviation
35 degrees
56
Which nerve supplies the primary innervation for wrist flexion and radial deviation?
Median
57
What pathology causes drop-wrist syndrome?
Radial nerve pathology
58
Fracture where the radius displaces posteriorly
ALL?
59
Which is FALSE regarding a scaphoid fracture?
It is common because of its roll as a bony block-limiting flexion.
60
Which of the following would be true regarding carpal tunnel syndrome?
ALL of the above

Upper Eval (5 decks)

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