Dr. Jason Highsmith guest edited and published in a special Open Access issue of Technology and Innovation on Prosthetic and Orthotic Technologies. Articles of this special issue include clinical trial outcomes of the Genium Microprocessor Knee System for transfemoral amputees, extreme athletics, and others. Thirteen papers were accepted for the issue, including those authored by SPTRS faculty Dr. Steve Ambler, Dr. Huny Kim, Dr. William Quillen, Ms. Jeannie Stephenson, Ms. Rebecca Miro, and Mr. Jason Kahle. SPTRS alumni Dr. Daniel Bodkin, Dr. Amanda Lewandowski and Dr. Stephen Noe also contributed articles.