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Clinical Research Faculty

Samuel B. Adams, MD

Assistant Professor in Orthopaedic Surgery

Director, Foot and Ankle Research

Dr. Adams’s clinical research focuses on outcomes of total ankle replacement and osteochondral lesions of the talus as well as improving patient care through novel orthopaedic devices and orthobiologics such as PRP, bone marrow aspirate, stem cells, and fat transplantation.

Janet Prvu Bettger, ScD, FAHA

Associate Professor in Orthopaedic Surgery

Director, Health Policy and Implementation Science Research

Dr. Bettger is the Director of Health Policy and Implementation Science Research for the Department. Dr. Bettger’s research is dedicated to establishing real world evidence aimed to improve health care quality and policies that reduce the burden of disease and disability. She is funded by NIH and the VA as an implementation scientist on studies to prevent functional decline. She is also funded by the Patient-Centered Outcomes Research Institute (PCORI) and the Medical Research Council/Wellcome Trust for pragmatic clinical trials in the U.S. and China on transitional care to improve functional independence and prevent post-hospital adverse events. Dr. Bettger is the PI for a pragmatic clinical and cost effectiveness trial on physical therapist-supported virtual rehabilitation following knee replacement. In 2016 with support from Duke's Bass Connections, Dr. Bettger launched the Global Alliance on Disability and Health Innovation (GANDHI) to facilitate student-faculty-external partner collaborative research to strengthen health systems globally ( She further advances this work on post-hospital rehabilitative care and outcomes with research using large integrated datasets, funded by PCORI and the NIH. 

Chad E. Cook, PhD

Professor in Orthopaedic Surgery (Division of Physical Therapy)

Dr. Cook is a clinical researcher, physical therapist, and profession advocate with a long-term history of clinical care excellence and service.

Louis E. DeFrate, PhD

Frank H. Bassett III, MD Assistant Professor in the School of Medicine
Associate Professor in Orthopaedic Surgery
Assistant Professor in Biomedical Engineering

Steven Z. George, PT, PhD 

Director of Musculoskeletal Research
Duke Clinical Research Institute 
Vice Chair of Clinical Research
Orthopaedic Surgery

Dr. George’s primary interest is research involving biopsychosocial models for the prevention and treatment of chronic musculoskeletal pain disorders.

Adam Goode, PT, DPT, PhD

Assistant Professor in Orthopaedic Surgery (Division of Physical Therapy)

Dr. Goode's clinical areas of interest are in the treatment of low back and cervical spine pain.

Anand B. Joshi, MD, MHA

Assistant Professor in Orthopaedic Surgery

Dr. Joshi’s research interests include methods and efficacy of percutaneous spinal interventions, intervertebral disc biology, and patient beliefs that surround back pain.

Michael S. Kerzner, DPM

Clinical Associate

Dr. Kerzner’s research interests are focused on basic science and clinical study of limb salvage, diabetic foot, Charcot arthropathy, neuromuscular disease, wound healing, and tissue regeneration.

Robert K. Lark, MD, MS

Assistant Professor in Orthopaedics and Pediatrics

Dr. Lark’s clinical research focuses on spinal disorders such as functional movement in scoliosis. He is also interested in growth and development of the musculoskeletal system.

Fraser Leversedge, MD

Associate Professor & Vice Chair in Orthopaedic Surgery

Director, Duke Hand, Upper Extremity, and Microvascular Surgery Fellowship

Dr. Leversedge’s primary research foci include nerve repair and reconstruction, upper extremity anatomy, and tendon repair and reconstruction.

Richard C. Mather III, MD

Assistant Professor of Orthopaedic Surgery

Hip Specialist, Orthopaedic Surgeon

James A. Nunley II, MD

Goldner-Jones Professor of Orthopaedic Surgery

Dr. Nunley’s research interest is in ankle arthritis and sports injuries of the foot and ankle.

Amy M. Pastva, PT, MA, PhD

Assistant Professor in Orthopaedic Surgery

Assistant Professor in Medicine

Assistant Research Professor in Cell Biology

Senior Fellow, Duke Center for the Study of Aging and Human Development

Dr. Pastva’s current scholarly pursuits include rehabilitation strategies for improving the health and function of individuals living with chronic diseases and/or surviving critical illness.

Michael P. Reiman, PT, DPT, PhD OCS, SCS, ATC, FAAOMPT, CSCS

Assistant Professor in Orthopaedic Surgery (Division of Physical Therapy)

Dr. Reiman’s clinical focus is orthopaedics, sports medicine, and manual therapy.

Jonathan C. Riboh, MD

Assistant Professor in Orthopaedic Surgery

Dr. Riboh's clinical research focuses on improving the way we make decisions for athletes with injuries. This involves collecting outcomes data for procedures that we’re already doing, performing clinical trials for innovative new treatments, and using decision-modeling techniques to understand what treatment is right for each patient.

Dean C. Taylor, MD, COL(ret.) USA

Professor in Orthopaedic Surgery

Director, Duke Sports Medicine Fellowship

Director, School of Medicine Leadership Education and Development (LEAD) Curriculum

Chairman, Feagin Leadership Program

Dr. Taylor is interested in shoulder instability and labral tears, knee instability and ligament tears, knee articular cartilage and meniscal injuries, ACL injuries in adults and children, muscle and tendon tears (hamstring, biceps, rotator cuff, Achilles tendon, etc.), and clavicle fractures.