Reduced joint spaces
The patient is supine or seated on the xray table.
Assist the patient by internally rotating the entire leg and foot together 15°-20° until the internal malleolar plane is parallel to IR.
Cassette should be placed under the ankle.
Grasp the distal femur area with one hand and the foot with other.
Size: 10”x12” Orientation: Portrait
The central beam is perpendicular to the ankle joint at a point midway between the malleoli.
Collimate to the lateral skin margins, superiorly to the distal third of tibia fibula and inferiorly to the proximal aspect of metatarsals.