Failure to dorsiflex the foot on an AP oblique with 45 degree medial rotation will be evidenced by:
closed tibiofibular joint
closed tibiotalar joint
distal fibular superimposed with the calcaneus
closed subtalar joint
distal fibular superimposed with the calcaneus
Rationale: Distal fibula will superimpose the calcaneus when the foot is not dorsiflexed, obscuring potential fracture of the distal fibula.
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