- Increase the ability of the knee to straighten (extend)
- Improve walking pattern for children who walk with knees bent (crouch position).
Your child's surgeon will make a cut across the front of the thigh just above the knee.
A wedge of bone is cut out of the thigh bone.
The leg is straightened and then a metal plate and screws are used to hold it in place.
This is often combined with a patellar plication.
![Digram of leg bones showing wedge of bone cut out of the femur](/Orthopaedics-Site/PublishingImages/DistalFemoralExtensionOsteotomy1.JPG)
(Illustrations by Gillette Children's Specialty Healthcare)