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CHAPTER 7 Physical fitness and exercise
Maria A. Fiatarone Singh1, Mikel Izquierdo2, and John E. Morley3
1 Faculty of Medicine and Health, School of Health Sciences and Sydney Medical School, University of Sydney, New South Wales, Australia; Hebrew SeniorLife, Roslindale, Massachusetts, USA
2 Navarrabiomed, Hospital Universitario de Navarra (HUN), Navarra Institute for Health Research (IdiSNA), Universidad Pública de Navarra (UPNA), Pamplona, Spain, CIBER of Frailty and