For quite some time, I have been personally interested in the best, evidence based, practice for individuals with transfemoral amputations. Currently, two main styles exist: a pylon (straight leg) using circumduction to advance the limb and articulating knee (knee joint that bends) using a reciprocal pattern to advance the limb. Which one is better, you ask? NO ONE KNOWS! I can tell you from experience that most individuals with a transfemoral amputation will prefer to use