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Foot & Ankle
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Medial Ankle Instability

Ankle Ligament Injuries

A 45-year-old woman presents with progressive medial ankle pain and flatfoot deformity over the past 2 years. She reports difficulty with single-leg heel rise. Examination reveals hindfoot valgus, forefoot abduction, and tenderness along the posterior tibial tendon (PTT). Weight-bearing radiographs show talonavicular uncoverage and increased talar declination. Regarding medial ankle stability anatomy:

Mark each as TRUE or FALSE

A

The deltoid ligament complex consists of superficial and deep components; the superficial deltoid re...

B

The spring ligament (plantar calcaneonavicular ligament) consists of superomedial, medioplantar, and...

C

The deltoid ligament is the only stabilizer of medial ankle stability; the spring ligament, posterio...

D

Adult acquired flatfoot deformity (AAFD) results from progressive failure of the PTT followed by att...

E

The tibialis posterior tendon is the primary dynamic stabilizer of the medial arch, inserting primar...

Answer the questions to see explanations

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