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Foot & Ankle
intermediate
X-Type

Ankle Impingement Syndromes - Anterior and Posterior

Ankle Disorders

A 24-year-old professional ballet dancer presents with posterior ankle pain exacerbated by going en pointe (maximum plantarflexion). She has tenderness posterior to the lateral malleolus and pain reproduced with forced plantarflexion. Lateral radiograph shows an os trigonum. MRI demonstrates bone marrow edema in the os trigonum. Regarding ankle impingement syndromes:

Mark each as TRUE or FALSE

A

Posterior ankle impingement (os trigonum syndrome) occurs when structures are compressed between the...

B

Anterior impingement (footballer's ankle) is caused by tibial and talar osteophytes or soft tissue s...

C

Posterior impingement is caused by forced dorsiflexion injuries common in footballers; FHL tendiniti...

D

Flexor hallucis longus (FHL) tendinopathy coexists with posterior impingement in 40-60% of cases and...

E

Arthroscopic ankle portals place nerves at risk: anteromedial portal risks saphenous nerve, anterola...

Answer the questions to see explanations

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