Femur AP
Position the Patient
- Supine
- Leg extended
- Femoral condyles parallel to IR
- Take two images if the femur does not fit on one (proximal and distal)
Words That Work
“Lie flat and keep your leg as straight and still as you comfortably can. Keep your toes pointing toward the ceiling. I may need two images to cover the requested area of your thigh and include your knee. Please don’t move unless I ask you to.”
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AP femur - proximal (hip included)
Set Up the Shot
- Center here
- Central ray
- CR to mid‑femur
- Include this in the field
- Collimation
- Entire femur including hip and knee
- Set the distance
- SID
- 40"
- Check the technique
- Technique
- 70-80 kVp
- Follow facility protocols
Common Pitfalls
- •Both joints not included (hip and knee)
- •Femoral condyles not parallel to IR
- •Rotation
Evaluate the Image
What should be visible?
- Entire femur
- Hip joint
- Knee joint
Does the image pass?
- ✓Femoral condyles parallel
- ✓Greater trochanter in profile
- ✓No rotation