Original Articles: PDF Only21 Peroneal Nerve Palsy Following Derotation Osteotomies for Tibial TorsionSCHROCK, ROBERT D. JR. M.D.*Author Information From the Department of Orthopedics, University of Washington and the Children's Orthopedic Hospital and Medical Center, Seattle, Wash. 98105. * Resident in Orthopedics, University of Washington. Clinical Orthopaedics and Related Research: January 1969 - Volume 62 - Issue - p 172-177 Free © Lippincott-Raven Publishers.