Roger A. Fielding, Ph.D.

Senior Scientist and Director
Nutrition, Exercise Physiology, and Sarcopenia Laboratory
Phone: (617) 556-3016
Fax: (617) 556-3083




Ph.D., Nutrition, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University

Research Focus
Impact of exercise and physical activity on successful human aging; skeletal muscle alterations with advancing age in disabled and non-disabled populations; and age-related alterations in the control of skeletal muscle protein turnover

Academic Appointments
Professor of Nutrition, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University
Professor of Medicine, Tufts University School of Medicine
Lecturer, Physical Medicine and Rehabilitation, Harvard Medical School, Department of Physical Medicine and Rehabilitation

Selected Professional Affiliations
Associate Editor: Journal of Gerontology Medical Sciences
Associate Editor: Calcified Tissue International and Musculoskeletal Research
Member, Brookdale Institute on Aging
Member, American Federation for Aging Research
National Scientific Advisory Council

Select Publications
Reid KF, Doros G, Clark DJ, Patten C, Carabello RJ, Cloutier GJ, Phillips EM, Krivickas LS, Frontera WR, Fielding RA. Muscle power failure in mobility-limited older adults: preserved single fiber function despite lower whole muscle size, quality and rate of neuromuscular activation. Eur J Appl Physiol. 2012 Jun;112(6):2289-301. doi: 10.1007/s00421-011-2200-0. Epub 2011 Oct 18.

Rivas, D.A., E.P. Morris, P.H. Haran, E.P. Pasha, M. da Silva Morais, G. Dolinkowski, E.M. Phillips, R.A. Fielding. Increased ceramide content and NFkB signaling may contribute to the attenuation of anabolic signaling after resistance exercise in aged males. J Appl. Physiol. 2012 Dec;113(111):1727-36. doi: 10.1152/japplphysiol.00412.2012. Epub 2012 Oct 4. PMID: 23042913

Fielding, R.A., W.J. Rejeski, S. Blair, T. Church, M.A. Espeland, T.M. Gill, J.M. Guralnik, F.C. Hsu, J. Katula, A.C. King, S.B. Kritchevsky, M.M. McDermott, M.E. Miller, S. Nayfield, A.B. Newman, J.D. Williamson, D. Bonds, S. Romashkan, E. Hadley, M. Pahor; LIFE Research Group. The Lifestyle Interventions and Indpendence for Elders Study: design and methods. J Gerontol A Biol Sci Med Sci. 2011 Nov;66(11):1226-37. Epub Aug 8. PMID:21825283 PMCID:3193523.

Chale, A., G.J. Cloutier, C. Hau, E.M. Phillips, G.E. Dallal, R.A. Fielding. Efficacy in whey protein supplementation on resistance exercise-induced changes in muscle strength, lean mass, and function in mobility-limited older adults. J Gerontol A Biol Sci Med Sci. 2012 Oct 31. [Epub ahead of print] PMID: 23114462

Lustgarten, M.S., Price, L.L., Phillips, E., R.A. Fielding, Branched Chain Amino Acids are Associated with Muscle Mass in Functionally-Limited Older Adults. Journals of Gerontology Series A: Medical Sciences, 2013, in press.

All Publications (PubMed)