CFO Clinical Application & Adjustment 2

Question 1

A patient with drop foot presents for AFO fitting. During gait assessment you notice the AFO causes excessive knee flexion in mid-stance. What adjustment is most appropriate?

Accepted Answer

Increase the ankle dorsiflexion angle

Answer

Increasing the dorsiflexion angle of the AFO moves the ground reaction force anteriorly, reducing excessive knee flexion in mid-stance.

Question 2

When fitting a supramalleolar orthosis (SMO) for a pediatric patient with hypotonia, which trim line position best controls subtalar pronation while allowing sagittal plane motion?

Accepted Answer

Medial and lateral trim lines ending at malleolar height

Answer

Medial and lateral trim lines at malleolar height provide subtalar control while preserving sagittal plane ankle motion needed for normal gait.

Question 3

A patient reports lateral knee pain 2 weeks after receiving an unloading knee orthosis for medial compartment OA. What is the most likely cause?

Accepted Answer

Excessive valgus correction creating lateral compartment overload

Answer

Excessive valgus correction shifts load too far to the lateral compartment, causing lateral knee pain as an overcorrection complication.

Question 4

During follow-up, a patient with a TLSO reports difficulty breathing when the orthosis is worn for extended periods. Which adjustment should be made first?

Accepted Answer

Widen the abdominal window

Answer

Widening the abdominal window reduces compression on the diaphragm, directly addressing breathing difficulty caused by the TLSO.

Question 5

A patient fitted with a foot orthosis for plantar fasciitis continues to report heel pain. Examination reveals a tight Achilles tendon. Which modification is most appropriate?

Accepted Answer

Add a heel lift to reduce Achilles tension

Answer

A heel lift reduces tension on the Achilles tendon and plantar fascia by decreasing the demand for dorsiflexion during the gait cycle.

(CFO) Certified Fitter Orthotics Practice Test

(CFO) Certified Fitter Orthotics Practice Test

CFO Clinical Application & Adjustment 2