Below are the radiographic or x-ray examinations performed for patella.

1. Merchant Bilateral
2. Settegast Method
3. Kuchendurf Method- oblique axial (PA)
4. Hughston method
5. Beclere method

For intercondylar fossa:

1. Camp- Coventry method
2. Homblad method
3. Kuchendurf Method

Kuchendurf Method – CR 25- 30°C caudad, enters posterior of patella, knee slightly turned laterally, patella is free of superimposed structures.
Holmblad Method- 3 possible positions
1. Standing with the knee of interest and resting on a stool at the table side.
2. Standing with the affected knee flexed and place in contact with front of the casette.
3. Kneeling on table with the affected knee on the cassette at the table.
4. Kneeling on table with affected knee on cassette at the table.
*Knee is flexed 70 degrees from full extension.
*Widens the joint spaces between femur and tibia.

Camp Coventry – CR<40 degrees if knee is <40 degrees, CR 50 degrees, if knee is <50 degrees.