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OrthoVellum

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Foot & Ankle
intermediate
X-Type

Adult Acquired Flatfoot Deformity

Foot Deformity

A 55-year-old obese woman presents with progressive medial ankle pain and difficulty walking. She has noticed her foot becoming flatter over the past 2 years. Examination reveals a flattened medial arch, hindfoot valgus, and forefoot abduction ("too many toes" sign). She cannot perform a single-leg heel rise. The deformity is flexible on examination. Regarding adult acquired flatfoot deformity (AAFD):

Mark each as TRUE or FALSE

A

AAFD is primarily caused by posterior tibial tendon (PTT) dysfunction; risk factors include obesity,...

B

Clinical examination reveals the "too many toes" sign (viewing from behind, more lateral toes visibl...

C

AAFD is caused by anterior tibial tendon dysfunction; the deformity is always rigid from the onset; ...

D

The Johnson and Strom classification (modified by Myerson) stages AAFD: Stage I (tenosynovitis, norm...

E

Treatment is stage-dependent: Stage I benefits from immobilization, orthotics, and physical therapy;...

Answer the questions to see explanations

Click T (True) or F (False) for each option