CATA: Wrist, Hand & Fingers

Question 1

Colles fracture

Answer 1

Distal radius fracture

Question 2

Smith’s fracture

Answer 2

Transverse fracture of distal radius (metaphysis) w/ anterior displacement
of distal fracture fragment (reverse colles)
FOOSH- hyper extension

Question 3

Reverse Colles fracture

Answer 3

Smith’s fracture

Question 4

Barton’s fracture

Answer 4

Intraarticular fracture from fall on the back of the hand

Question 5

Smiths, colles and Barton’s fractures all result in?

Answer 5

Dinner Fork Deformity

Question 6

What often appears to be a colles fracture in children is often what?

Answer 6

lower epiphyseal separation

Question 7

Madelung deformity Symptoms

Answer 7

Abnormality of the wrist.
Occurs in gymnasts
Changes in hand, where carpus is wedged between the radius and ulna
loss of forearm rotation, decreased function, palmar subluxation w/
prominence of radial and ulnar styloid processes (tape, brace, surgery)

Question 8

Finkle stein’s Test: Positive for?

Answer 8

Make fist and tick thumb and pushed into ulnar deviation
(+) DeQuervain’s syndrome Stenosing tenosynovitis
-sharp pain over carpal tunnel
- median nerve issue

Question 9

Lunotriquetral Ballotment Test Positive for?

Answer 9

lunate stabilized w/ thumb and index finger while sliding triquetrum
anteriorly
(+)- instability of lunotriquetral joint - results in lunate dislocation

Question 10

Triangular Fibrocartilage Complex? Mechanism of injury? S/S

Answer 10

fibrous cartilaginous structure separating radiocarpal and inferior
radioulnar joints (functions like a meniscus)
Violent torque/twist
Ulnar side pain + catching

Question 11

Wrist drop occurs due to?

Answer 11

Radial nerve palsy

Question 12

Benediction deformity

Answer 12

Ulnar nerve palsy- effecting hypothenar and intrinsic

Question 13

DeQuervians Syndrome S/S?

Answer 13

stenosing tenosynovitis of the thumb LOTS of pain weakness w/ thumb
extension and abduction, snapping/catching

Question 14

Preiser’s disease

Answer 14

degeneration and necrosis of scaphoid

Question 15

Kienbock’s disease

Answer 15

Loss of blood supply to lunate (osteonecrosis)

Question 16

Lunate normally dislocated in what direction and what mechanism?

Answer 16

forceful hyperextension

dislocated anteriorly-palmar side

Question 17

Fracture normally occurs with a fall or more commonly holding equipment while getting hit

Answer 17

Hamate

Question 18

Wrist ganglion

Answer 18

synovial cyst- herniation of capsule, synovial sheath (clear, mucinous fluid)

Question 19

Trigger finger or thumb Mechanism S/S

Answer 19

stenosing tenosynovitis in flexor tendon-thickening of sliding tendon +
nodule in synovium making it hard to glide
Overuse
Inflammation of tendon sheath, swelling, pain in wrist extensors, flexion
pain w/ resistance to re-extension, lump felt at base of flexor tendon
sheath

Question 20

Mallet finger aka? Mechanism? S/S

Answer 20

Extensor tendon avulsion
Blow from an object that strikes tip of finger
Unable to extend finger (carries at 30 degree angle),

Question 21

Boutonniere Deformity S/S

Answer 21

rupture of extensor tendon dorsal to middle phalanx

Unable to extend PIP

Question 22

Jersey finger aka? S/S

Answer 22

Flexor digitorum profundus rupture

Unable to flex DIP (extended position)

Question 23

Dupuytren’s contracture S/S

Answer 23

nodules in palmar aponeurosis limiting finger extension leading to flexion
deformity
ring or little finger moves into palm of hand

Question 24

Gamekeepers Thumb

Answer 24

sprain of ulnar collateral lig of MCP joint

Question 25

Splinting for interphalangeal joint sprains

Answer 25

PIP splinting at 30-40 degrees of flexion for 10 days + use protective checkrein

Question 26

Swan neck deformity: May result in what? S/S? Splinting?

Answer 26

avulsion PIP volar plate may cause pseudoboutineire deformity) PIP can be passively hyperextended more Splinted in 20-30 degrees of flexion

Question 27

Splinting for PIP dorsal vs palmar dislocation

Answer 27

Dorsal - flexion splint | Palmar- extension splint

Question 28

Bennett's fracture

Answer 28

Fracture at base of first metacarpal (CMC joint)

Question 29

``` . Fingernail deformities Clubbing/Cyanosis? Scaling/ridging Spooning/depression Ridging (vertical)/ poor development ```

Answer 29

Clubbing/cyanosis- congenital heart disorder or chronic respiratory disease Scaling or ridging-psoriasis Spooning or depression- thyroid issue or iron deficiency anemia Ridging(vertical) or poor development- nutritional deficiencies

Question 30

Distal radioulnar join

Answer 30

B/w ulnar head and ulnar notch (radius)

Question 31

Radiocarpal joint? Ulna?

Answer 31

Scaphoid and lunate | *Ulna doesn’t interact with the carpals

Question 32

Median, Ulnar, Radial

Answer 32

Muscles around the wrist/hand they innervate Medial- FDS, FDP, FPL Ulnar- FCU, FDP Radial- ECR, ECU, EDC

Question 33

Extensor digitorum communis O and I

Answer 33

Interphalngeal joint

Question 34

``` .Muscle O and I Flexor Carpi Ulnaris Flexor carpi radialis Extensor carpi Ulnaris Extensor Carpi radialis ```

Answer 34

FCU- Med epi- pisiform FCR- med epi- 2-3rd metacarpal ECU- lat epi- 5th metacarpal ECR- lat epi- 2-3rd metacarpal