Nr. |
Plane |
Grade 0 |
Grade 1 |
Grade 2 |
Grade 3 |
1. |
Suprapatellar longitudinal |
normal |
JCD parallel to the femur bone |
JCD straight |
JCD convex |
2. |
Medial longitudinal of femuro-tibial joint |
normal |
JCD parallel to bone no distension over the joint space |
JCD parallel to bone distension above the joint space |
JCD convex above the joint space |
3. |
Lateral longitudinal of femuro-tibial joint |
normal |
JCD parallel to bone no distension over the joint space |
JCD parallel to bone distension above the joint space |
JCD convex above the joint space |
4. |
Posterior longitudinal |
normal |
slight JCD over the jointspace |
JCD parallel to bone, distension over the joint space |
JCD convex above the joint space |