1. Lecture (16 )

2. Knee Joint Basic Projections AP Lateral Oblique Tunnel AP Knee Joint
Exposure Factors Kv
mAs
FFD (cm)
Grid
Focus
Cassette 65 5
100 No
Fine
18x24 cm

3. ٍSupine with leg extended
Patient Position
ٍSupine with leg extended
Part position
Adjust knee to cassette
Slightly rotate leg medially
to centralize patella
Central Ray
5-7 degrees cephalic
Center Point
½ inch inferior to patellar apex
Structure shown
Femorotibial joint
Distal femur and proximal
tibia & fibul

4. Lateral knee joint
Mediolateral or lateromdial
Patient Position
Semi prone turn onto affected side
Knee flexed degrees
Part position
Center knee by placing cassette
1 inch distal to medial condoyle
Central Ray
5degrees cephalic
Center Point
1 inch inferior to medial condoyle
Structure shown
Lateral view of distal femur and
Proximal tibia , patella

5. AP Oblique knee joint ( Lateral or external rotation )
Patient Position
ٍSupine
extend affected knee
Part position
Adjust knee to cassette
Rotate affected knee with entire leg 45
degrees laterally
Central Ray
Perpendicular
Center Point
At level of patella apex
Structure shown
Oblique view of distal femur and Proximal tibia and fibula , patella

6. Medial Oblique knee joint
Patient Position
ٍSupine
extend affected knee
Part position
Adjust knee to cassette
Rotate affected knee with entire leg
45 degrees medially
Central Ray
Perpendicular
Center Point
At level of patella apex
Structure shown
Oblique view of distal femur and Proximal tibia and fibula, patella