Publications

Effects of a Long-Term Physical Activity Program on Activity Patterns in Older Adults.
Med Sci Sports Exerc 2017 Nov;49(11):2167-2175
1Department of Epidemiology, Johns Hopkins University, Baltimore, MD; 2Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA; 3Exercise Science Department, Southern Connecticut State University, New Haven, CT; 4Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA; 5Department of Health Research and Policy and Department of Medicine, Stanford University, School of Medicine, Stanford, CA; 6Feinberg School of Medicine, Northwestern University, Evanston, IL; 7Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA; 8Department of Biostatistics, University of Florida, Gainesville, FL; and 9Department of Aging and Geriatric Research, University of Florida, Gainesville, FL.


Validation of gait characteristics extracted from raw accelerometry during walking against measures of physical function, mobility, fatigability, and fitness.
J Gerontol A Biol Sci Med Sci 2017 Sep 16. Epub 2017 Sep 16.
Center for Aging and Population Health, Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh PA.


Effect of Physical Activity versus Health Education on Physical Function, Grip Strength and Mobility.
J Am Geriatr Soc 2017 Jul 21;65(7):1427-1433. Epub 2017 Feb 21.
Center for Aging and Population Health, Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.


Actigraphy features for predicting mobility disability in older adults.
Physiol Meas 2016 Sep 21;37(10):1813-1833. Epub 2016 Sep 21.
Department of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA. Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL, USA.


A Mind-Body Program for Older Adults With Chronic Low Back Pain: A Randomized Clinical Trial.
JAMA Intern Med 2016 Mar;176(3):329-37
Clinical and Translational Sciences Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania3Geriatric Research Education and Clinical Center, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania6Department of Ps.


Skeletal Muscle Mitochondrial Function and Fatigability in Older Adults.
J Gerontol A Biol Sci Med Sci 2015 Nov 28;70(11):1379-85. Epub 2014 Aug 28.
Department of Epidemiology, Center for Aging and Population Health, Graduate School of Public Health, University of Pittsburgh, Pennsylvania.


Physical Activity and Change in Long Distance Corridor Walk Performance in the Health, Aging, and Body Composition Study.
J Am Geriatr Soc 2015 Jul 11;63(7):1348-54. Epub 2015 Jun 11.
Center for Aging and Population Health, Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.


Predicting human movement with multiple accelerometers using movelets.
Med Sci Sports Exerc 2014 Sep;46(9):1859-66
1Department of Biostatistics, The Johns Hopkins University, Baltimore, MD; 2Department of Social Medicine, University of Maastricht, Maastricht, THE NETHERLANDS; 3Institute of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, DENMARK; 4Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA; and 5Laboratory of Epidemiology, Demography, and Biometry, National Institute on Aging, Bethesda, MD.

Lifestyle interventions and independence for elders study: recruitment and baseline characteristics.
J Gerontol A Biol Sci Med Sci 2013 Dec 28;68(12):1549-58. Epub 2013 May 28.
Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC 27109-7868.

Skeletal muscle mitochondrial energetics are associated with maximal aerobic capacity and walking speed in older adults.
J Gerontol A Biol Sci Med Sci 2013 Apr 9;68(4):447-55. Epub 2012 Oct 9.
Department of Health and Physical Activity, University of Pittsburgh, Trees Hall Rm 134D, Allequippa St. and Darragh St., Pittsburgh, PA 15260, USA.

Health and function of participants in the Long Life Family Study: A comparison with other cohorts.
Aging (Albany NY) 2011 Jan;3(1):63-76
University of Pittsburgh, Graduate School of Public Health, Department of Epidemiology, Center for Aging and Population Health, PA 15213, USA.

Relationship between physical functioning and physical activity in the lifestyle interventions and independence for elders pilot.
J Am Geriatr Soc 2010 Oct 24;58(10):1918-24. Epub 2010 Aug 24.
Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Research Center on Aging, Tufts University, Boston, Massachusetts 02111, USA.

Psychomotor speed and functional brain MRI 2 years after completing a physical activity treatment.
J Gerontol A Biol Sci Med Sci 2010 Jun 26;65(6):639-47. Epub 2010 Mar 26.
Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, 130 North Bellefield Street, Room 512, Pittsburgh, PA 15213, USA.

Activity adherence and physical function in older adults with functional limitations.
Med Sci Sports Exerc 2007 Nov;39(11):1997-2004
Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA.


Impact of weight loss on physical function with changes in strength, muscle mass, and muscle fat infiltration in overweight to moderately obese older adults: a randomized clinical trial.
J Obes 2011 10;2011. Epub 2010 Oct 10.
Department of Epidemiology, Graduate School of Public Health, Center for Aging and Population Health, University of Pittsburgh, 130 N. Bellefield Avenue, Pittsburgh, PA 15260, USA.



The relationship between mitochondrial function and walking performance in older adults with a wide range of physical function.
Exp Gerontol 2016 08 12;81:1-7. Epub 2016 Apr 12.
Center for Aging and Population Health, Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, United States. Electronic address:


Dose of physical activity, physical functioning and disability risk in mobility-limited older adults: Results from the LIFE study randomized trial.
PLoS One 2017 18;12(8):e0182155. Epub 2017 Aug 18.
Center for Aging and Population Health, Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States of America.

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