1Center for Gait and Motion Analysis, Gillette Children’s Specialty Healthcare, St. Paul, Minnesota
2Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota
3Department of Orthopedic Surgery, Royal Children’s Hospital, Melbourne, Victoria, Australia
E-mail address for T.F. Novacheck: email@example.com
Investigation performed at the Center for Gait and Motion Analysis, Gillette Children’s Specialty Healthcare, St. Paul, Minnesota
Disclosure: The authors indicated that no external funding was received for any aspect of this work. The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSREV/A497).