Key result
In ambulatory persons with late effects of polio, knee muscle strength and gait performance explained only 15% to 31% of the variance in daily step counts.
Population
77 community-dwelling ambulant persons with late effects of polio
Design
Cross-sectional
Authors
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Other factors likely predominate in daily activity among polio survivors; leaves open determinants beyond strength or gait for prospective study.
Cross-Sectional (n=77)
No
Effect estimate: 15% to 31% of variance explained
p-value: p=<0.01
In persons with late effects of polio, knee muscle strength and gait performance explain only a small portion of physical activity.
Winberg et al. (2014) conducted a cross-sectional in Late effects of polio (n=77). Knee muscle strength and gait performance was evaluated on Variance in physical activity (number of steps per day) explained by knee muscle strength and gait performance (15% to 31% of variance explained, p=<0.01). In ambulatory persons with late effects of polio, knee muscle strength and gait performance explained only 15% to 31% of the variance in daily step counts.
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