Table 2.

Imaging views

Standard X-ray	Purpose
Full-length double stance A-P X-ray [90]	To evaluate femorotibial alignment
Full-length double supine A-P X-ray [90]	To eliminate the added varus due to deficiency of the lateral and PL structures
Real lateral view X-ray [21, 49, 71, 91]	To evaluate posterior tibial slope
Merchant’s view X-ray [92]	To evaluate patellofemoral joint
Rosemberg’s view [93]	To evaluate the lateral compartment of the knee

Stress X-ray	Purpose
Lateral stress view according to the Telos method [94]	To evaluate anterior and posterior tibial translation with regards to the femur
Lateral stress view according to the kneeling method [96]	To evaluate anterior and posterior tibial translation with regards to the femur
Lateral stress view with hamstring contraction method [97]	To evaluate anterior and posterior tibial translation with regards to the femur
Lateral stress view according to gravity method [99]	To evaluate anterior and posterior tibial translation with regards to the femur
Axial stress view [100]	To evaluate anterior and posterior tibial translation with regards to the femur