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Pedorthics Final Exam Study Guide
Actual Exam Questions With Answers
Why has there been a decrease in amputations in the last 10 years? -correct-
| | | | | | | | | | | | |
answer-improved treatment of DMT2 (diabetes)
| | | | |
Toe amputations -correct-answer-more common in older patients,
| | | | | |
secondary to a non healing plantar ulcer (sometimes dorsal, hammer toes)
| | | | | | | | | |
Amputation of distal foot -correct-answer-Must have sufficient circulation,
| | | | | | |
PT and Post-Op guidelines vary by patient,
| | | | | | |
Some patients require adaptive footwear, orthoses/prostheses
| | | | |
Causes of toe amputations -correct-answer-Gangrene
| | | |
Conservative management of plantar ulcer unsuccessful,
| | | | | |
Infection/Osteomyelitis
|
Post-op toe amputation -correct-answer-Dressing stays= 5 days
| | | | | |
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Partial weight bearing= 10 days if healing well
| | | | | | |
Full weight bearing= 2.5 weeks
| | | | |
Metatarsal head resection -correct-answer-Caused by non-healing plantar ulcer.
| | | | | | |
Good circulation must exist.
| | | |
Orthosis needed to prevent pressures distal mets and remaining met heads
| | | | | | | | | |
Ray resection -correct-answer-surgery of choice for problems of 4th and 5th rays.
| | | | | | | | | | |
Orthosis needed to ofload met heads
| | | | | |
Goals of transmetatarsal amputation -correct-answer-Max shaft length
| | | | | |
Healthy plantar skin (reduce shear forces of shortened forefoot)
| | | | | | | | |
Residual limb length (lever for forward progression)
| | | | | | |
Transmetatarsal rates of healing -correct-answer-60-70% successful healing
| | | | | |
15% require revision to shorter TMA
| | | | | |
15% require revision to trans-tib
| | | |
5-10% death rate within 6 months
| | | | | |
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What is the most common form of foot amputation we will encounter? -correct-
| | | | | | | | | | | |
answer-Transmetatarsal
|
% gait cycle in single limb support for:
| | | | | | |
Chopart
Lisfranc
|
Transme
|
t
No amputation -correct-answer-Chopart: 45%
| | |
Lisfranc: 54%
| |
Transmet: 54% |
No amputation: 70%
| |
What muscle has to work harder when a person has a partial foot amputation
| | | | | | | | | | | | |
(shortened lever arm)? -correct-answer-Increase quad activity due to
| | | | | | | |
shorter lever arm
| | |
What is the biomechanical goal of partial foot prostheses? -correct-answer-allow
| | | | | | | | |
anterior support in the area of the lost metatarsals as well as a controlled fulcrum
| | | | | | | | | | | | | | |
of forward motion in 3rd rocker
| | | | | |
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T/F: Footwear does matter and is required for finishing of toe filler -correct-
| | | | | | | | | | | |
answer-True
|
How do you prevent the leg from pistoning out of the shoe? -correct-answer-
| | | | | | | | | | | |
Adequate pressure on dorsum of foot.
| | | | |
Shoe with long enough tongue and taller heel counter.
| | | | | | | |
Snug closure.
| |
Steel shank not too firm, or addition of forefoot rocker
| | | | | | | | |
Why is patient footwear/modification "buy in" crucial? -correct-answer-If they
| | | | | | | |
don't like it, they wont wear it. If they don't wear it, there is no benefit
| | | | | | | | | | | | | | | |
Cowhide -correct-answer-Most durable.
| |
Easily stretched or modified (water alcohol mixture).
| | | | | |
Breathable.
|
Deerskin -correct-answer-Soft.
|
Less durable than cowhide.
| | | |
More comfortable.
|
|e
Pedorthics Final Exam Study Guide
Actual Exam Questions With Answers
Why has there been a decrease in amputations in the last 10 years? -correct-
| | | | | | | | | | | | |
answer-improved treatment of DMT2 (diabetes)
| | | | |
Toe amputations -correct-answer-more common in older patients,
| | | | | |
secondary to a non healing plantar ulcer (sometimes dorsal, hammer toes)
| | | | | | | | | |
Amputation of distal foot -correct-answer-Must have sufficient circulation,
| | | | | | |
PT and Post-Op guidelines vary by patient,
| | | | | | |
Some patients require adaptive footwear, orthoses/prostheses
| | | | |
Causes of toe amputations -correct-answer-Gangrene
| | | |
Conservative management of plantar ulcer unsuccessful,
| | | | | |
Infection/Osteomyelitis
|
Post-op toe amputation -correct-answer-Dressing stays= 5 days
| | | | | |
,2 || |P |a |g
|e
Partial weight bearing= 10 days if healing well
| | | | | | |
Full weight bearing= 2.5 weeks
| | | | |
Metatarsal head resection -correct-answer-Caused by non-healing plantar ulcer.
| | | | | | |
Good circulation must exist.
| | | |
Orthosis needed to prevent pressures distal mets and remaining met heads
| | | | | | | | | |
Ray resection -correct-answer-surgery of choice for problems of 4th and 5th rays.
| | | | | | | | | | |
Orthosis needed to ofload met heads
| | | | | |
Goals of transmetatarsal amputation -correct-answer-Max shaft length
| | | | | |
Healthy plantar skin (reduce shear forces of shortened forefoot)
| | | | | | | | |
Residual limb length (lever for forward progression)
| | | | | | |
Transmetatarsal rates of healing -correct-answer-60-70% successful healing
| | | | | |
15% require revision to shorter TMA
| | | | | |
15% require revision to trans-tib
| | | |
5-10% death rate within 6 months
| | | | | |
,3 || |P |a |g
|e
What is the most common form of foot amputation we will encounter? -correct-
| | | | | | | | | | | |
answer-Transmetatarsal
|
% gait cycle in single limb support for:
| | | | | | |
Chopart
Lisfranc
|
Transme
|
t
No amputation -correct-answer-Chopart: 45%
| | |
Lisfranc: 54%
| |
Transmet: 54% |
No amputation: 70%
| |
What muscle has to work harder when a person has a partial foot amputation
| | | | | | | | | | | | |
(shortened lever arm)? -correct-answer-Increase quad activity due to
| | | | | | | |
shorter lever arm
| | |
What is the biomechanical goal of partial foot prostheses? -correct-answer-allow
| | | | | | | | |
anterior support in the area of the lost metatarsals as well as a controlled fulcrum
| | | | | | | | | | | | | | |
of forward motion in 3rd rocker
| | | | | |
, 4 || |P |a |g
|e
T/F: Footwear does matter and is required for finishing of toe filler -correct-
| | | | | | | | | | | |
answer-True
|
How do you prevent the leg from pistoning out of the shoe? -correct-answer-
| | | | | | | | | | | |
Adequate pressure on dorsum of foot.
| | | | |
Shoe with long enough tongue and taller heel counter.
| | | | | | | |
Snug closure.
| |
Steel shank not too firm, or addition of forefoot rocker
| | | | | | | | |
Why is patient footwear/modification "buy in" crucial? -correct-answer-If they
| | | | | | | |
don't like it, they wont wear it. If they don't wear it, there is no benefit
| | | | | | | | | | | | | | | |
Cowhide -correct-answer-Most durable.
| |
Easily stretched or modified (water alcohol mixture).
| | | | | |
Breathable.
|
Deerskin -correct-answer-Soft.
|
Less durable than cowhide.
| | | |
More comfortable.
|
