Meet the Faculty

David Barringer, PT, ATC

Mr. Barringer is center manager at Drayer Physical Therapy Institute’s first center in Bel Air, Md. In the past, he has participated in athletic training at the highest level while working with several professional sports teams including the Baltimore Colts, New York Giants and Baltimore Stallions, for which he was involved in athletic injury and return-to-sport decisions. He has served on the staff at Good Samaritan Hospital in Baltimore, Md. working with in-patient spinal cord, stroke and acute orthopedic rehabilitation patients. He has bachelor degrees in physical therapy education from Michigan State University and physical therapy from the University of Maryland, Eastern Shore.

Craig H. Bennett, MD

Dr. Bennett is the chief of Orthopaedic Sports Medicine at the University of Maryland Medical Center, and the head team physician for the University of Maryland’s Athletic Department. He has also served as the head orthopaedic surgeon for the NFL’s Baltimore Ravens. Dr. Bennett is a graduate of Brown University, the University of California at San Francisco, completed his residency in orthopaedic surgery at Emory University in Atlanta, Georgia, and completed a sports medicine-knee and shoulder fellowship at the University of Pittsburgh. He has been the recipient of various academic honors. His professional memberships include being a board certified member of the American Academy of Orthopaedic Surgeons, a member of the American Orthopaedic Society for Sports Medicine, a member of the ACC Team Physicians Association and a Gladden Society member. He serves on the AAOS Knee Subcomittee and is a reviewer for the American Journal of Sports Medicine. The author of numerous publications and book chapters, Dr. Bennett has given a variety of presentations relating to sports medicine throughout North and South America. His areas of research interest center on the advancement of operative sports medicine including complex knee reconstructions for the athlete, and knee arthroplasty procedures for unicompartmental arthritis.

J. Gregory Bennett, PT, DSc, MS

Mr. Bennett is the founder and director of Excel Rehabilitation, a private physical therapy practice in northern Virginia. He has more than 28 years of clinical, teaching and research experience and has provided physical therapy to athletes in the NFL, NBA, Major League Baseball and U.S. Tennis Association. He has served as the physical therapy consultant to the Washington Redskins for 17 years. He is an adjunct faculty member at Marymount University. He received a North American Life clinic research award for having developed the research basis for decelerator deficiency of the knee. He has published extensively on orthopedic evaluation and rehabilitation in a variety of periodic journals and textbooks and is active as an editorial advisor to numerous publishers. He is the medical mission’s coordinator for orthopedic and rehabilitation services for the Community Coalition for Haiti, providing free care in Pignon, Haiti.

Alex Bodenstab, MD

Dr. Bodenstab is an orthopedic surgeon with First State Orthopaedics in Newark, Delaware. He received his medical degree from Thomas Jefferson Medical College in Philadelphia, Pennsylvania, and his residency was at Cornell University, New York. In addition he is an adjunct associate professor at the University of Delaware, in Newark, Delaware. Dr. Bodenstab is a member of the American Academy of Orthpaedic Suregons and various other professional societies. His interests lie in hip and knee replacement, arthroscopic surgery and sports medicine.

John D. Childs, PhD, PT, MBA, OCS, FAAOMPT

Dr. Childs is an associate professor and director of research in the U.S. Army-Baylor University Doctoral Program in Physical Therapy. He is a board-certified orthopaedic clinical specialist and a fellow in the American Academy of Orthopaedic and Manual Physical Therapists. Dr. Childs currently serves as an associate editor for both the Physical Therapy and Journal of Orthopaedic and Sports Physical Therapy journals. He has published over 60 peer-reviewed manuscripts and has given presentations both nationally and internationally. He founded “Evidence in Motion,” an education and business practice consultation company committed to the advancement of physical therapy practice, research, and education. He is also a partner in Texas Physical Therapy Specialists, a multi-site private physical therapy practice serving patients in the greater San Antonio and Austin regions, and Fit for Work, an occupational health and industrial medicine practice that provides employers with a programmatic approach to injury prevention, wellness, and treatment.

Scott Crook, PT, CSCS

Mr. Crook is the center manager for the Drayer Physical Therapy Institute® Lexington, Ky., Perimeter Center. He graduated from the University of Kentucky in 1987 and became a certified strength and conditioning specialist in 1992. For the past 20 years, Mr. Crook has been employed in the outpatient physical rehabilitation field, focusing on orthopedics and sports medicine. He has had extensive experience working with athletes in all sports and at all levels in rehabilitation and sports performance training. He has also developed a return to sports functional testing series for determining a patient’s readiness to return to sporting activities. He is a member of the National Strength and Conditioning Association and a board member for the Lexington Ballet.

Sean Curtin, MD

Board certified in primary care sports medicine, Dr. Curtin is the director of The Center for Orthopedics and Sports Medicine, a private practice sports medicine clinic in Bel Air, Md. He is a clinical instructor at the University of Maryland, School of Medicine and is the associate team physician for John Hopkins University. He has served as team physician for the University of Maryland Terrapins from 1998 to 2004. Dr. Curtin is also the team physician for the Aberdeen Ironbirds, minor league affiliate of the Baltimore Orioles, and the John Carroll School in Bel Air, Md. He is regional medical director for the Drayer Physical Therapy Institute centers in Maryland. Published in national sports medicine journals, he has also presented at numerous local and national sports medicine conferences. He is an active member of the American Medical Society for Sports Medicine and the American College of Sports Medicine. Dr. Curtin is a graduate of the University of Maryland, School of Medicine, where he also completed a residency in internal medicine and a fellowship in primary care sports medicine under the direction of Dr. Andrew Tucker.

Irene Davis, PhD, PT, FACSM

Drayer Physical Therapy Institute®’s director of research, Dr. Davis, also is a physical therapy professor at the University of Delaware. She has studied the relationship between lower extremity structure, mechanics and injury in runners for the past 20 years. Her current areas of study include mechanical factors in tibial stress fractures and patellofemoral disorders along with the effect of physical therapy interventions such as foot orthotic treatment and gait retraining. She serves as a consultant for patients with lower extremity problems related to overuse. She has lectured internationally and authored many publications on the topic of lower extremity mechanics during running.

David Ebaugh, PhD, PT, OCS

Dr. Ebaugh is a clinical associate professor in the Physical Therapy and Rehabilitation Sciences Program at Drexel University. He received his baccalaureate degree in physical therapy from Temple University in 1989, his master’s degree in orthopedic physical therapy from Hahnemann University in 1996, and his doctorate in rehabilitation sciences from Drexel University in 2004. His research interest is in the identification and treatment of neuromuscular and kinematic impairments associated with shoulder pathology. He has presented scientific papers within his area of research at national APTA and ASSET meetings and has published his research in Clinical Biomechanics, the Journal of Electromyography and Kinesiology, and the Journal of Orthopaedic and Sports Physical Therapy.

Kenneth Flowers, PT, CHT

Since 1975, Mr. Flowers has been the president of Current Clinical Concepts, Inc. He is also the Emeritus Editor of the Journal of Hand Therapy. Mr. Flowers graduated from Johns Hopkins University and received his physical therapy degree from the University of Pennsylvania. He is the author of numerous publications and a past recipient of the Honored Senior Professor Award at the Philadelphia Hand Symposium, and the Visiting Professorship for the Rocky Mountain Hand Surgery Society and the University of Florida. His past teaching experience includes: UCSF, the University of Pennsylvania, the University of Pittsburgh, and the University of Delaware.

Richard H. Hallock, MD

Dr. Hallock is chief executive officer of the Orthopedic Institute of Pennsylvania, in the Harrisburg area. He specializes in joint replacement surgery of the shoulder, hip and knee. He is involved in research and development of orthopedic implants involving unicompartmental arthritis of the knee joint. He is a member of the Arthroscopy Association of North America, American Association of Hip and Knee Surgeons and the American Academy of Orthopedic Surgery. He earned a biology degree from the University of Virginia and his medical degree from the University of Maryland School of Medicine. In 1983, he finished a five-year surgical residency with a specialty in orthopedics from the Milton S. Hershey Medical Center, Penn State University.

Brian R. Hoke, DPT, SCS

Mr. Hoke is the director of Atlantic Physical Therapy, Virginia Beach, Va., which focuses on sports rehabilitation and clinical applications of lower extremity biomechanics. He is a board-certified clinical specialist in sports physical therapy. He is an adjunct faculty member at Old Dominion University in Norfolk, Va., and Touro College in Bay Shore, Ny. He received a degree in physical therapy with highest distinction from Indiana niversity and his post-professional clinical doctorate from Boston University.

Mary Lloyd Ireland, MD

Dr. Ireland is an orthopedic surgeon and president of Kentucky Sports Medicine Clinic in Lexington, Ky. She received her medical degree from the University of Tennessee. Her residency was at the University of California, Irvine and her fellowships in sports medicine were at Boston Children’s Hospital, Harvard University, Boston, Ma. and Hughston Orthopaedic Clinic, Columbus, Ga. She served as head physician at the Olympic Sports Festival in Minneapolis, Mn. in 1990 and as a medical staff member at the Olympics in Barcelona, Spain in 1992. Dr. Ireland is a fellow of the American Academy of Orthopaedic Surgeons and American College of Sports Medicine. Dr. Ireland has published numerous articles and chapters. She is co-editor of The Female Athlete (Saunders 2002) and editor of the AAOS Instructional Course Lectures – Sports Medicine, published (2005).

David M. Joyner, MD

Dr. Joyner was the founder, former chair and CEO of Joyner Sportsmedicine Institute. He is a former clinical associate professor, Division of Orthopedic Surgery, the Pennsylvania State University. He was head physician for the U.S. Team, 1992 Olympic Winter Games, and the former chair of the U.S.Olympic Committee’s Sports Medicine Committee. He was a member of the Pan American Games Medical Commission and a Penn State All-American in football and wrestling. Dr. Joyner is an active consultant in the healthcare industry whose clients include the NFL, Salus Healthcare International, BTE Technologies, and The Center for Imaging.

Douglas Kasow, MD

Dr. Kasow is a native of the Atlanta, GA area and graduated from Emory University in 1997. He completed his medical degree from West Virginia School of Osteopathic Medicine with Internship and Residency Programs at Medical College of Georgia from 2001 to 2006. His Fellowship training was at the Center for Spinal Disorders in Denver, Colorado after which he joined Providence Orthopedics Sports Medicine and Spinal Surgery located in Monroe, GA in September 2007. Dr. Doug Kasow is a fellowship trained spine surgeon who specializes in degenerative conditions of the cervical and lumbar spine. He is proud to bring cutting edge artificial disc replacement technology to this region. He is on staff at both Walton Regional Medical Center and Rockdale Medical Center.

Bryan Kelly, MD

Dr. Kelly is a specialist in sports medicine and arthroscopic surgery of the shoulder, hip and knee at Hospital for Special Surgery. In addition, he is an assistant professor of orthopedic surgery at the Weill Medical College of Cornell University and is an assistant team physician for the New York Giants. Dr. Kelly is actively involved in clinical and basic science research of the shoulder, hip and knee and is currently investigating nonarthritic hip pain in athletes, and working on the use of novel biomaterials for synthetic meniscal replacement in the knee. He is the author of numerous scientific publications, chapters and review articles.

Timothy E. Kremchek, MD

Board-certified as an orthopedic surgeon and fellowship trained in sports medicine, Dr. Kremchek is in his 12th year as medical director and chief orthopaedic surgeon for the Cincinnati Reds. In 2003, Dr. Kremchek and his partners built the Beacon Orthopaedic Center, located in Sharonville, a suburb of Cincinnati. It is a world-class orthopedic and sports medicine center where many sports professionals come for evaluation and treatment of their various injuries. Dr. Kremchek’s professional interests range from advanced arthroscopic repair of the elbow, shoulder, and knee to total joint replacements and reconstructions. He has taken an active role in teaching, and injury prevention in little league pitchers, and has published articles in local and national orthopedic and sports medicine journals. Along with his partners, Dr. Kremchek also serves as team physician for Cincinnati’s professional soccer teams, local universities, and high schools.

Phil McClure, PhD, PT

Dr. McClure is an associate professor at Arcadia University in the department of physical therapy and practices at Penn Therapy and Fitness, an outpatient clinic affiliated with the University of Pennsylvania Medical Center. He is the recipient of the National Teaching Award from the orthopedic section of the APTA and the Lindback Foundation Distinguished Teaching Award from Arcadia University. He serves on the editorial boards of the Journal of Orthopaedic and Sports Physical Therapy and the Journal of Hand Therapy. His publications have appeared in several journals, and his research has been funded by the Arthritis Foundation and the Foundation for Physical Therapy.

Jenny McConnell, MSPT

Ms. McConnell is best known for her contributions to the conservative management of patellofemoral pain through her unique patellar taping and training techniques, which she developed in 1984. She conducts research and is owner of a private practice in Sydney, Australia. In addition to her practice, Ms. McConnell presents lectures and workshops around the world. She is co-author (with Dr. Ron Grelsamer) of the text, “The Patella.” She is the originator of the materials used in all McConnell courses.

Christopher M. Powers, PhD, PT

Dr. Powers is an associate professor in the Department of Biokinesiology and Physical Therapy and co-director of the Musculoskeletal Biomechanics Laboratory at the University of Southern California. His primary research interests are concerned with the kinematic, kinetic and muscular actions associated with human movement, the pathomechanics of orthopedic disabilities, and issues related to rehabilitation of the musculoskeletal system. Dr. Powers is an active researcher, and has published over 70 peer-reviewed articles. He frequently lectures both nationally and internationally on topics related to lower limb biomechanics and the pathomechanics of orthopedic disorders.

Ralph Simpson, PT, OCS, CMPT, ATC

Ralph Simpson has been a physical therapist since 1983. He graduated from the University of Montana with Bachelor’s of Science degrees in Physical Therapy and Health and Physical Education, high honors in each. He was certified as a strength and conditioning specialist in 1987 and holds current certifications in manual therapy and athletic training. He is a board certified specialist in orthopaedics.

An interest in spinal rehabilitation and sports training has been a driving force for Ralph and he published in the American Journal of Physical Therapy early work on pelvic range of motion and eventually led to co-development of the Instant Replay Motor Training Tool and associated training protocols.

Along the pursuit for greater experience and education, Ralph also provided event physical therapy and athletic training coverage to the Pan American Games, the Goodwill Games, the Coors Classic Bike Race, the Olympic Festival, and multiple venues at the USOC training facility in Colorado Springs. Additionally, he traveled with the US Luge team for two World Cup and World Championship seasons throughout Europe.

Between 1983 and 1993, Ralph worked in a Seattle private sports medicine practice treating professional and recreational athletes as well as providing coverage backstage for the Pacific Northwest Ballet.

For 12 seasons, Ralph was the lead physical therapist/athletic trainer on the PGA Tour fitness van, working with virtually all contemporary Tour pros as well as greats such as Tiger, Palmer, Nicklaus, Snead, Trevino, and Player. He has provided coverage at over 350 Tour events including the Masters, PGA Championships, US Open, Ryder Cup and President’s Cup. He has been the invited physical therapist for The Shark Shootout since 1997. From this experience was born the bulk of the Instant Replay protocols and golf fitness training.

Deydre S. Teyhen, PT, PhD, OCS

Dr. Teyhen is an assistant professor at the U.S. Army- Baylor University doctoral program in physical therapy and director of Center for Physical Therapy Research at Fort Sam Houston, Tx. She is a research consultant to the Spine Research Center and the Defense Spinal Cord and Column Injury Center at Walter Reed Army Medical Center,Washington, Dc., and to the Military Performance Laboratory at Brooke Army Medical Center in San Antonio, Tx. Her research has focused on the development of imaging tools that can enhance the rehabilitation of spinal and shoulder dysfunctions. She is a board-certified orthopedic clinical specialist, a certified health fitness instructor, and a certified health promotion director. She has lectured extensively, serves as a manuscript reviewer for rehabilitative and biomechanical journals, and is editorial review board member for the Journal of Orthopaedic and Sports Physical Therapy.

William Thierfelder, PhD

Dr. Thierfelder is president of Belmont Abbey College, Belmont, Nc. and is also a licensed psychologist. Prior to this appointment, he served as the CEO of York Barbell Company, executive director of Player Management Group, national director of sports science for NovaCare, Inc., and director of sports performance for Joyner Sportsmedicine, Inc. Through the years, Dr. Thierfelder has assisted professional, olympic, college, and high school level athletes to achieve dramatic improvements in their athletic performances. He received his masters and doctoral degrees in Sports Psychology and Human Movement from Boston University. He is a diplomat of the American Board of Psychological Specialties and certified by the American College of Sports Medicine. Dr. Thierfelder is also a member of the United States Olympic Committee’s Sport Psychology Registry.

Mark Walsh, DPT, MS, CHT, ATC

Mr.Walsh is a partner in Hand & Orthopedic Physical Therapy Associates. He graduated from the University of Iowa in1978, received an advanced degree in orthopedic physical therapy from Temple University in 1983, and his doctor of physical therapy from Drexel University in 2005. Mr.Walsh currently holds an adjunct position at Drexel University in the Department of Rehabilitative Sciences, and provides guest lectures at Arcadia University in the Physical Therapy Program. He is an active member of the American Society of Hand Therapists, a selected item writer for the initial Hand Therapy Certification Examination, and serves on the editorial board of the Journal of Hand Therapy.

Anthony Watson, MD

Dr. Watson is an Orthopaedic Foot and Ankle Specialist in private practice in Pittsburgh, Pennsylvania. His special interests include flatfoot deformity due to posterior tibialis tendon insufficiency, total ankle arthroplasty, and trauma. He continues to practice general Orthopaedic Surgery, as well, and remains academically active in research, as an editor for Foot and Ankle International and Techniques in Foot and Ankle Surgery, and a reviewer for Journal of Bone and Joint Surgery. He has given numerous lectures on foot and ankle topics as well as research study design and biostatistics. Dr. Watson obtained undergraduate degrees in both Economics and Preprofessional Studies from the University of Notre and his medical degree from Northwestern University. He completed his Orthopaedic Surgery residency at Northwestern University and an Orthopaedic Foot and Ankle Reconstruction fellowship with the Miller Orthopaedic Clinic at Carolinas Medical Center.

Kevin Wilk, DPT

A physical therapist, researcher and educator for more than 20 years, Mr. Wilk is the co-founder and clinical director of Champion Sports Medicine, Birmingham, Al. He is also vice-president of education for Benchmark Medical, Inc., director of rehabilitative research at the American Sports Medicine Institute in Birmingham, an adjunct assistant professor of physical therapy at Marquette University, and rehabilitation consultant for the Tampa Bay Devil Rays baseball team. Mr. Wilk has published more than 110 journal articles and more than 60 book chapters, edited 4 text books, and lectured at more than 320 professional and scientific meetings. He serves on the review boards of 6 journals.

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8205 Presidents Drive, 2nd Floor, Hummelstown, PA 17036