1. Radiographs of the Knee
Sources:

2. X-Ray Imaging

3. AP standing
Medial joint space narrowing

4. PA flexed & weight bearing
Complete loss of medial joint space [*not seen in AP standing]

5. 60° True Lateral
Patella Alta (high riding patella)

6. Merchant’s view (Skyline Projection)

7. Standing Long Leg Alignment
Red Line represents the mechanical axis of the lower limb
FROM: centre of hip
TO: centre of the ankle
PASSES THROUGH: medial compartment of the knee

8. MRI Imaging

9. Axial View

10. Sagital View

11. Coronal View

12. Terrible Triad (O’Doherty’s)
Tearing the;
ACL
MCL
MEDIAL MENISCUS

13. ACL Tear

14. Medial Meniscus Tear

15. MCL Tear