title: Invited commentary.
authors.affiliation: Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA 15260, USA. jbrach@pitt.edu
authors.forename: Jennifer S
authors.initials: JS
authors.lastname: Brach
mesh_terms: D000058:Accidental Falls / Q000517:prevention & control / Q000706:statistics & numerical data*; D000368:Aged; D000369:Aged, 80 and over; D005684:Gait / Q000502:physiology*; D015577:Geriatric Assessment; D006801:Humans; D008875:Middle Aged; D011237:Predictive Value of Tests; D012307:Risk Factors; D012680:Sensitivity and Specificity