An AP oblique with 45 degree medial rotation will present:

a closed tibiotalar
a closed medial mortise
a closed lateral mortise
a closed distal tibiofibular joint

a closed medial mortise

Rationale: Proper 45 degree medial rotation can be indicated when the medial mortise closes. The tibiotalar, lateral mortise, and distal tibiofibular joint will be open.

Health Professions

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