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, 2012 ; Oppewal, Hilgenkamp, van Wijck, & Evenhuis, 2013 ). Lower-extremity physical functioning can be evaluated with the Short Physical Performance Battery (SPPB), which has been applied to a wide range of populations, including community-dwelling older adults, adults with multiple sclerosis, and

falls in older adults ( Black, Wood, & Lovie-Kitchin, 2011 ; Freeman et al., 2007 ; Ivers et al., 1998 ; Patino et al., 2010 ). However, the mechanism by which reduced vision mediates falls remains unclear ( Lamoureux et al., 2010 ; Lord & Menz, 2000 ). The Short Physical Performance Battery (SPPB

contact the project manager for support. Project Assessment Clients were assessed prior to, and then following, the 18-week delivery phase. All data were forwarded to the project manager for collation, analysis, and reporting. Functional performance The short physical performance battery (SPPB) is a

the association between accelerometer-measured steps/d and subsequent fall risk and to assess the role of physical functioning, objectively measured using the Short Physical Performance Battery (SPPB), as a confounder, modifier, or mediator of this association in a community-based cohort of ambulatory

were used to define low muscle strength for men and women, respectively. Physical performance was measured by the 2.4-m walk test from the short physical performance battery (SPPB; described later). The best of three trials was retained for data analysis, with gait speeds of <0.8 m/s used to define low

January 2020. The eligibility criteria were age ≥65 years, community-dwelling preadmission, being at risk of mobility disability defined as a Short Physical Performance Battery (SPPB) of <10 while in-patient ( Guralnik et al., 1994 ; 2000 ), being able to walk independently with or without a walking aid

physical function, based on the Short Physical Performance Battery (SPPB), and this coincides with elevated risk for developing future disability ( Motl, Chaparro, Hernandez, Balto, & Sandroff, 2016 ; Motl et al., 2015 ). There is increasing interest in the application of physical activity as a behavioral

(SUN STS group) or reduce total sitting time (SUN SL group), as well as to examine changes in physical function and mobility, as measured by the Short Physical Performance Battery (SPPB) and 8-foot up and go (UG), respectively, at 6 and 12 weeks. We hypothesized that both SUN groups would

overall wear time was ≥85% of the total time worn ( Mackey et al., 2011 ). Assessment of Physical Function We used the short physical performance battery (SPPB) to measure lower-extremity function ( Guralnik et al., 1994 ) at Clinic Visit 1. The SPPB consists of three performance-based measures, standing