FAnkle Flashcards

(57 cards)

1
Q

bunnionette types

A

1 - lateral prominence ; 2 - bowed with normal IMA (distal chevron); 3 - wide IMA (most common)

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2
Q

normal 4-5th IMA

A

6-8 deg; also 5th MT head should be less than 13mm

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3
Q

sx of baxter’s nerve

A

9-12 months heelpain; unrelated to WB, similar to plantar fascitis

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4
Q

position for ankle fusion

A

0 DF, 0-5 valgus, 0 ER

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5
Q

floating toe seen with

A

seen with Weil osteotomy - up to 36%; more common when performed with PIP arthrodesis

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6
Q

Distal MT osteotomy parameters

A

HVA < 25 and IM < 13

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7
Q

FDL and FHL in plantar mid foot

A

FHL is DEEP (dorsal) to FDL

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8
Q

what position is hind foot for toe off

A

inversion, locked for toe off

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9
Q

traits of rigid hammertoe

A

neutral to slight extension of MTP; fixed PIP, variable DIP - key is that PIP does not correct with foot plantarflexion

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10
Q

criteria for DM ulcer

A

ABI < 0.45; TcO2 < 30; albumin < 3

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11
Q

which part of plantar fascia to release in PF

A

medial third ONLY - otherwise you will destabilize the arch

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12
Q

tx of chronic achilles tendinopathy

A

debridement, exostectomy of calc, and FHL transfer

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13
Q

risk factors for subtalar fusion non-union

A

smoking, failure of previous union or tibiotalar union, > 2mm of AVN at fusion site

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14
Q

baxter’s nerve innervates

A

abductor digit quinti, FDB, and quadratus plantae

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15
Q

bracnhes of tibial nerve at medial ankle

A

Medial Calc nerve; lateral plantar (with baxters) and medial plantar ; medial plantar is more anterior

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16
Q

tx of metatarsal stress fracture

A

walking boot x 6 weeks;

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17
Q

what position causes peroneal tendon subluxation

A

resisted dorsiflexion and eversion - due to disrupted SUPERIOR peroneal retinaculum

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18
Q

Peroneus longus injuries a/w

A

RhA, Varus foot, and large peroneal tubercle - tx is debride and attach to the brevis when chronic

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19
Q

chronic achilles rupture tx

A

if < 3months old and < 3cm , try for primary repair; if > 3cm gap use FHL transfer

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20
Q

Silfverskiold test

A

dorsiflexion improves with knee flexion - if DF improves then ONLY Gastroc was involved in contracture

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21
Q

the ONLY oral abx with pseudomonas coverage

A

fluoroquinolones

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22
Q

% reduction in recurrent sprains after proprioception PT

A

35% less

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23
Q

Antagonist to Tib Ant and Post Tib.

A

P Longus and P brevis respectively

24
Q

what is modified Brostrom

A

recon of ATFL, CFL, with augment of inferior extensor retinaculum

25
what is evans procedure for ankle instability
a NON-anatomic recon of lateral support b/w the positions of ATFL and CFL - involves using half or P. brevis and attaching to anterior fibula via a drill bhole
26
ways to avoid floating toe with Weil
make osteotomy as plantar and paralle to floor as possible to avoid MT head from moving plantar as it is shortened
27
how to pick up sesamoid fracture
bone scan can help - to determine if source of pain
28
risk factors for achilles wound issues
tobacco >> steroids and female gender; DM also a rf
29
inversion ankle injury a/w
OCD of talar dome, peroneal tendon split, anterolateral soft tissue impingment
30
eversion ankle injury a/w
detloid avulsion fleck - anterior colliculus
31
HO after high ankle sprain develops
6-8months after injury- wait for a negative bone scan
32
navicular stress fracture tx
NWB x 6week; perc ORIF only after
33
during heel strike what happens to GSC
dorman, TA Is ECCENTRIC
34
screw diameter and Jones frx
if < 4.5 then higher rate of delayed or non-union
35
TAA vs fusion in young patients
Fusion for active young, TAA is for older
36
consequence of removalof both sesamoids
toe cock-up deformity
37
treatment of flexible claw toe
based on PIP - if flexible then FDL transfer to extensor surface; if rigid PIP then resection arthroplasty +/- weil if many toes
38
triad of claw toe
Dorsiflexed MTP; Hyperflex at PIP and DIP
39
supramalleolar osteotomy for varus ankle
if stage 2 - 3a then good; 3b is not as good
40
FHL tendonitis sx
posteromedial ankle pain; crepitus, triggering of great toe; decresaed passive extension of the great toe.pain with resisted great toe extension
41
second tier tx of Plantar fascitis
night splints, steroid shot, and casting
42
third line tx of Plantar fascititis
surgical release or extracorporal shockwave tx
43
Sx for cavovarus and lateral ankle instability
recon of lateral ligaments and calc osteotomy
44
chance of osteoM with ulcer that probes to bone
if probes to bone then 65%
45
when do diabetic ulcers recurr
1 month after initiall healing in casting - help avoid recurrence with achilles lengthening
46
which test has most false positive for syndesmosis injury
COTTON test
47
operative tx for navicular stress
orif WITH bone graft
48
mechanism of injury for peroneal tendon
DORSIflexion and inversion
49
ligametnous lisfranc prognosis
poor compared to bony \even with ORIF
50
how much delay after stroke before surg is doable
for acquired cavovarus - wait 18-24 months
51
ligament integrity and Total ankle
they must be reconstructed - if not stable then cant do it
52
medial vs lateral ocd
medial is more common, less traumatic, deeper and more posterior.
53
what is boutinerre caused by
central slip - PIP flexion; DIP extension
54
replant of palm amputation
if clean with no avulsion then yes
55
tendon repair suture principle
10mm from cut edge with 4-6 epitendinous strands
56
nomral ulnar variance what is load distribution
80 R 20 Ulna; goes to 95 -5
57
contraindication to ulnar shortening
DRUJ OA