Physician

John J. Leddy, MD, FACSM, FACP

Present Position

Professor of Clinical Orthopaedics
Clinical Assistant Professor of Medicine, Family Medicine and Nutrition
Research Assistant Professor of Physiology
Director of the Concussion Clinic
School of Medicine & Biomedical Sciences
State University of New York at Buffalo

Specialty

Primary Care Sports Medicine/UB Concussion Clinic

Professional Summary
Dr. John J. Leddy is a board certified Internal Medicine and Sports Medicine physician. He is a Professor of Clinical Orthopaedics, Internal Medicine, and Rehabilitation Sciences at the University at Buffalo School of Medicine and Biomedical Sciences, and a Fellow of the American College of Sports Medicine and of the American College of Physicians. He is a practicing clinician, active researcher and instructor at the University at Buffalo School of Medicine and Biomedical Sciences.

He is the Medical Director of the University at Buffalo Concussion Management Clinic, which is the first center in the United States to use a standardized exercise treadmill test to establish recovery from concussion and to use controlled exercise in the rehabilitation of patients with prolonged concussion symptoms.

He is published in the fields of orthopaedics, physiology, nutrition, concussion and post-concussion syndrome. His primary research interest is the investigation of the basic mechanisms of the disturbance of whole body physiology seen in concussion and how to help restore the physiology to normal and help patients recover and safely return to activity and sport.

Education
Fordham University, B.S., 1981
State University of New York at Buffalo, M.D., 1985

Hospital Training
Resident Physician in Internal Medicine
New England Deaconess Hospital and Harvard University, 1985-1988

Fellowship
Sports Medicine Fellow, Union Memorial Hospital, Baltimore, Maryland, 1990-1991
Faculty Development Fellowship, State University of New York at Buffalo
Department of Family Medicine, 1990-1991

Certification
Diplomate of the American Board of Internal Medicine 1988
Certificate of Added Qualifications in Sports Medicine (ABIM) 1993

Licensure
New York State

Publications
Maddison PJ, Isenberg DA, Goulding NJ, Leddy JJ and Skinner RP.
Anti La (SSB) identifies a distinctive subgroup of SLE.
Br. J. Rheum. 27:27-31, 1988

Muoio DM, Leddy JJ, Horvath PJ, Awad AB and Pendergast DR.
Effect of dietary fat on metabolic adjustments to maximal VO2 and endurance in runners.
Med. Sci. Sports Exerc. 26(1):81-88, 1994

Smolinski RJ, Leddy JJ and Stegemann PM.
Rotator Cuff Disease.
In: Peimer CA (ed.) Surgery of the Hand and Upper Extremity. McGraw Hill, New York, 1995. pp 321-349.

Pendergast DR, Horvath PJ, Leddy JJ and Ventrakaman JT.
Increasing dietary fat may benefit some athletes.
Strength and Conditioning 18(4):42, 1996

Pendergast DR, Horvath PJ, Leddy JJ and Ventrakaman JT.
The role of dietary fat on performance, metabolism and health.
Amer. J. Sports Med. 24(6):S53-S58, 1996

Leddy JJ, Horvath PJ, Rowland JA and Pendergast DR.
Effect of a high or a low fat diet on cardiovascular risk factors in male and female runners.
Med. Sci. Sports Exerc. 29(1):17-25, 1997

Pendergast DR, Horvath PJ, Leddy JJ, Ventrakaman JT and Fisher NM.
Exercise and nutrition in athletes: Role of fats.
SCAN’s Pulse 1997.

Leddy JJ, Smolinski RJ, Lawrence J, Snyder JL and Priore RL.
Prospective evaluation of the Ottawa Ankle Rules in a university sports medicine center: with a modification to increase specificity for identifying malleolar fractures.
Amer. J. Sports Med. 26:158-165, 1998.

Hoppeler H, Billeter R, Horvath PJ, Leddy JJ, and Pendergast DR.
Muscle structure with low and high fat diets in well-trained male runners.
Int. J. Sports Med. 20 (8):522-526, 1999.

Horvath PJ, Eagen CK, Fisher NM, Leddy JJ and Pendergast DR.
The effects of varying dietary fat on performance and metabolism in trained male and female runners.
J. Amer. Coll. Nutr. 19:52-60, 2000.

Venkatraman JT, Leddy JJ, and Pendergast DR.
Dietary fats and immune status in athletes: clinical implications.
Med. Sci. Sports Exerc. 32 (suppl.):S389-S395, 2000.

Pendergast DR, Leddy JJ, and Venkatraman J.
A perspective on fat intake in athletes.
J. Amer. Coll. Nutr. 19:345-350, 2000.

Leddy JJ and Chutkow JG.
Myasthenia gravis in a collegiate football player.
Med. Sci. Sports Exerc. 32:1975-1979, 2000.

Leddy JJ, Roberts A, Moalem J, Curry T, and Lundgren CEG.
Effects of water immersion on pulmonary function in asthmatics.
Undersea Hyper Med 28 (2):75-82, 2001.

Leddy JJ, A Kesari and RJ Smolinski.
Implementation of the Ottawa/Buffalo Ankle Rule in a University Sports Medicine Center.
Med. Sci. Sports Exerc. 34:57-62, 2002.

Vladutiu GD, Bennett MJ, Fisher NM, Smail D, Leddy JJ and Pendergast DR.
Phenotypic variability among first-degree relatives with the same mutations in the carnitine palmitoyl transferase II gene.
Nerve and Muscle 26:492-498, 2002.

Epstein, L.H., Jaroni, J.L., Paluch, R.A., Leddy, J.J., Vahue, H.E., Hawk, L., Wileyto, Pl, Shields, P.G., & Lerman, C.
Dopamine transport genotype as a risk factor for obesity in smokers.
Obesity Research 10;1232-1240, 2002.

Brubaker D, Leddy JJ, Rosenthal T.
Principles of contracting in the treatment of athletes with eating disorders.
The Physician and Sportsmedicine 31(9):15-18, 2003.

Meksawan K, D.R. Pendergast, J.J. Leddy, M. Mason, K. Kennedy, P.J. Horvath, and A. Awad.
Effect of low and high fat diets on nutritional status and selected cardiovascular risk factors in sedentary men and women.
J Amer Coll Nutr 23:1-10, 2004.

Leddy JJ, Epstein LH, Jaroni JL, Roemmich JN, Paluch RA, Goldfield GS, and Lerman C.
The influence of methylphenidate on eating in obese men.
Obesity Research 12: 224-232, 2004.

Leddy JJ, Fisher NM, and Pendergast DR.
Metabolic responses to multiple bouts of supra-maximal exercise in trained and untrained subjects.
International Sports Medicine Journal 5:155-168, 2004.

Willer B, Dumas J, Hutson A, and Leddy JJ.
A population based investigation of head injuries and symptoms of concussion of children and adolescents in schools.
Injury Prevention 10:144-148, 2004.

Epstein L.H., S. Wright, R.A. Paluch, J.J. Leddy, L.W. Hawk, J. Jaroni, F. Saad, and C. Lerman.
The influence of food reinforcement and dopamine genotypes on food intake in smokers.
Am J Clin Nutr 80:82-88, 2004.

Epstein L.H., S. Wright, R.A. Paluch, J.J. Leddy, L.W. Hawk, J. Jaroni, F. Saad, S. Crystal-Mansour, and C. Lerman.
Food hedonics and reinforcement as determinants of food intake in smokers.
Physiology and Behavior 81:511-517, 2004.

Gerlach, KE, SC White, HW Burton, JM Dorn, JJ Leddy and PJ Horvath.
Kinetic changes with fatigue and relationship to injury in female runners.
Med. Sci. Sports Exerc. 37:657-663, 2005.

Willer B, Kroetsch B, Darling S, Hutson A and Leddy JJ.
Injury rates in House League, Select and Representative Youth Ice Hockey.
Med. Sci. Sports Exerc. 37:1658-1663, 2005.

Pantano KJ, White SC, Gilchrist LA, and Leddy JJ.
Differences in peak knee valgus angles between groups of individuals with high and low Q-angles during a single limb squat.
Clinical Biomechanics. 20(9):966-72, 2005.

Epstein LH and Leddy JJ.
Food Reinforcement.
Appetite. 46:22-25, 2006.

Willer B and Leddy JJ.
Management of Post-Concussion Syndrome.
Current Treatment Options in Neurology 8(5):415-426, 2006.

Fung M, Willer B, Moreland D, and Leddy JJ.
Predictive Factors for Intracranial Lesions in Mild Traumatic Brain Injury: A Literature Review and Recommendation for Evidence-based Emergency Department Discharge Instructions.
Brain Injury 9:1-6, 2006.

Leddy JJ, Limprasertkul A, Patel S, Modlich F, Buyea C, Pendergast DR and Lundgren CEG.
Isocpanic hyperpnea training improves performance in competitive male runners.
European Journal of Applied Physiology 99:665-676, 2007.

Epstein LH, Leddy JJ, Temple JL and Faith MS.
Food reinforcement and eating: A multilevel analysis.
Psychological Review (in press).

Current Professional Activities/Committees
Fellow, American College of Sports Medicine
Member Undersea and Hyperbaric Medical Society
University at Buffalo Faculty Council
CME Subcommittee of the Faculty Council
Diplomate of the American Board of Internal Medicine
American Medical Society for Sports Medicine
American College of Physicians

University Orthopaedic Center – City
UB South Campus
160 Farber Hall
Buffalo, New York 14214

(716) 829-5499

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