Agility and Perturbation Training Techniques in Exercise Therapy for Reducing Pain and Improving Function in People With Knee Osteoarthritis: A Randomized Clinical Trial

G.K. Fitzgerald, PT, PhD, FAPTA, is Associate Professor, Department of Physical Therapy, School of Health and Rehabilitation Sciences, and Director, Physical Therapy Clinical and Translational Research Center, University of Pittsburgh, 6035 Forbes Tower, Pittsburgh, PA 15101 (USA).
S.R. Piva, PT, PhD, OCS, FAAMOPT, is Assistant Professor, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh.
A.B. Gil, PT, PhD, is Research Specialist, Department of Physical Therapy, University of Pittsburgh.
S.R. Wisniewski, PhD, is Professor, Department of Epidemiology, and Co-Director, Epidemiological Data Center, Graduate School of Public Health, University of Pittsburgh.
C.V. Oddis, MD, is Professor of Medicine and Director, Fellowship Training Program, Division of Rheumatology and Clinical Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
J.J. Irrgang, PT, PhD, ATC, FAPTA, is Associate Professor and Director of Clinical Research, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine.