Peggy M Cawthon, Terri L Blackwell, Stephen B Kritchevsky, Anne B Newman, Russell T Hepple, Paul M Coen, Bret H Goodpaster, Kate Duchowny, Megan Hetherington-Rauth, Theresa Mau, Mahalakshmi Shankaran, Marc Hellerstein, William J Evans, Steven R Cummings
BACKGROUND: How magnetic resonance (MR) derived thigh muscle volume and d3-creatine dilution derived muscle mass (D3Cr muscle mass) differentially relate to strength, fitness, and other functional in older adults - and whether associations vary by sex - is not known. METHODS: Men (N=345) and women (N=482) aged ≥70 years from the Study of Muscle, Mobility and Aging completed leg extension strength (1-repetition max) and cardiopulmonary exercise testing to assess fitness (VO2peak)...
February 17, 2024: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences