Publications by authors named "Viola Mattern"

Introduction: Scalable physical activity interventions are crucial in addressing the widespread issue of global physical inactivity. Outdoor gyms present as a promising setting to deliver physical activity interventions that can be scaled to engage significant proportions of the population. This systematic review aims to analyze how interventions conducted in outdoor gym settings to date have been delivered, identify their target populations, and describe the types of equipment and exercises used.

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The daily association between 24-hour physical behavior compositions (moderate-to-vigorous physical activity (MVPA), light physical activity (LPA), standing, sedentary, and sleep) and psychological outcomes-such as momentary affective state assessments and working memory-remains understudied. We investigated whether the daily 24-hour compositions, particularly MVPA and SB considering the remaining behaviors, are associated with affective states and working memory. We conducted an ambulatory assessment study with 199 university employees.

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