The Bone & Joint Journal. 2016. Jan;98-B(1)Supplement A:116-119. • Jeff Petrie, Tonya An, Perry Schoenecker, Ira Zaltz, Young-Jo Kim, Michael Millis, Paul Beaule, Rafael Sierra, Robert Trousdale, Daniel Sucato, David Podeszwa, Ernest Sink, John Clohisy. What is the Impact of PAO Surgery on Patient Function and Activity Levels?.