The patient lies laterally towards the affected side. The leg is rotated until the malleoli are superimposed vertically. The tibia may parallel to the cassette.
Size: 14’’x17’’ Orientation: Portrait or diagonal as per length of limb
The central ray is the midpoint of the ankle joint and knee joint.
Collimate laterally to the skin margins, superiorly to the knee joint and inferiorly to the ankle joint