title: Sarcopenia and physical performance in old age: introduction.
authors.affiliation: Harborview Medical Center, Seattle, Washington 98104, USA.
authors.forename: R S
authors.initials: RS
authors.lastname: Schwartz
mesh_terms: D017677:Age Distribution; D000375:Aging / Q000502:physiology*; D006801:Humans; D009133:Muscular Atrophy / Q000503:physiopathology*; D013647:Task Performance and Analysis