Orthotic Rx and Shoes Flashcards
(true/false) Try for total correction with orthotics on day one.
False (shoot for tolerance first)
Rigid orthoses are (thinner/thicker)
thinner
What percent of patients complete their POC?
< 30 degrees
What is the classic method/position of plaster casting?
subtalar neutral NWB
What casting technique is used only for diabetic inserts and accommodation?
foam box impressions
(true/false) the quality of the cast can dictate the result of the product
true
With pes cavus feet, you want to (increase/decrease) rigidity with accommodative material
decrease
–> consider a deeper heel cup to stabilize the hindfoot
How should you choose a casting method for pes planus feet?
- Choose a casting method that allows for the correction desired
- account for navicular drop and prominence w/ choice of material
- consider a medial flange to contain the midfoot
deepen the heel cup for rearfoot control
Are all flat arches a problem that needs to be addressed?
no
When looking at orthoses for pes planus, remember to allow relief for _____ deformities.
immobile deformities
(True/false) Phits are recommended to address bony abnormalities.
false
(true/false) Phits work well with mechanical issues more than foot deformity
true
(true/false) Phits may not be ideal for pes cavus/pes planus feet.
true
What should you be cautious of with heavy clients and phits?
shell cracking
What is a stiffer heel counter used for?
more structure/more strength
Where do running shoes get their cushioning from?
foam in the sole of the shoe
definition: total height of the cushioning under the foot
stack
definition: the difference in height between the forefoot and rearfoot
pitch
definition: the shape of the base of the shoe
last
what are the different shapes of the base of the shoe?
curved, semi-curved, straight
definition: stabilizing system in the midfoot of the sole to stiffen the arech of the shoe with heel to forefoot transition
trusstic system
definition: stiffer material in the mid-sole of the shoe to limit motion in that direction
posting
Standard male shoes are what width?
D
Standard female shoes are what width?
B
definition: shoe category that has a single-density mid-sole with no attempt at limiting PRON.
Generally curved or semi-curved last.
cushioning
definition: shoe category that has a multi-density mid-sole with mild-moderate attempts at limiting PRON.
Generally, semi-curved last
stability
(true/false) shoes limit SUP
FALSE (no shoes limit SUP)
definition: shoe classification that has a multi-density midsole with full attempts to limit PRON.
primarily straight last
motion control
definition: shoe category that has little to no pitch and is a low stack shoe with high flexibility.
minimalist
What category of sneaker are shoe orthoses not commonly inserted into?
minimalist
What categories of shoes have guide-rail technology?
motion control
stability
Depth footwear will have removable fillers under the ______.
sock liner (up to 7 mm)
What types of materials are available for toe deformities and edema?
lyrca and stretch materials
(true/false) all carcot-lasted shoes are customized.
False (non-custom are available)
Always fit a shoe from (ball/heel) to (ball/heel/toe)
heel to ball
Where should the widest part of the foot fit into the shoe?
the widest part of the shoe
(true/false) not all shoes come in different widths
true
Laces should be close to (perpendicular/parallel) on the throat of the shoe
parallel
What does a buttress do?
gives structure to the side of the shoes
(medial/lateral) buttress should be used with patients who have charcot foot or equinous feet.
lateral
(true/false) AFOs are made for ankle stability
FALSE
Why are AFOs used?
to improve toe clearance
What kind of AFO has no hinges?
static AFO
What type of AFO is common/y used with children?
Dynamic AFO (allows neutral DF)
definition: unable to clear the toe when walking
foot drop/steppage gait
(true/false) there is a limit for rocker soles
false
Should you change the height of the contralateral shoe relative to the shoe being changed to a rocker sole?
yes
Why are rocker soles used?
improve heel to toe transitions
(true/false) rocker soles are covered by insurance
false
what are external metatarsal bars used for?
offloading ulcerations
