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Beveling the distal femur
1%
10/1622
Saving the patella
0%
2/1622
Allowing the sciatic nerve to retract deep into the soft tissue
12/1622
Myodesis of the adductors
97%
1578/1622
Timely fitting of orthosis
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Prior to the late 80’s, techniques for transfemoral amputation sacrificed the hip adductor muscles resulting in unopposed abductor forces. Amputation with an abducted femur leads to an increase in side lurch and higher energy consumption. Gottschalk in ’99 showed that myodesis of the adductor magnus through drill holes in the lateral femur preserved maximum muscle force and provided a mechanical advantage for the adductors of the thigh. This resulted in maintenance of the normal anatomic alignment of the femur and a balance between the abductor and adductor mechanisms of the hip, thus providing patients with improved control and easier prosthesis fit.
4.3
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