A true mediolateral projection of the ankle is evidenced by:
superimposition of the medial and lateral malleoli
inclusion of the base of the 5th metatarsal
dorsiflexion of the foot
the distal fibula superimposed over the posterior half of the tibia
the distal fibula superimposed over the posterior half of the tibia
Rationale: Proper lateral positioning of the lateral ankle will demonstrate the distal fibula superimposed over the posterior half of the tibia. An attempt to superimpose the medial and lateral malleolus will cause malrotation of the lateral position.
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