Lower muscle mitochondrial energetics is associated with greater phenotypic frailty in older women and men: the Study of Muscle, Mobility and Aging

Theresa Mau, Haley N. Barnes, Terri Blackwell, Philip Kramer, Scott R. Bauer, David J. Marcinek, Sofhia V. Ramos, Daniel E. Forman, Frederico G. S. Toledo, Russell T. Hepple, Stephen B. Kritchevsky, Steven R. Cummings, Anne B. Newman, Paul M. Coen, Peggy M. Cawthon