Background: Smartphones enable the implementation of just-in-time adaptive interventions
(JITAIs) that tailor the delivery of health interventions over time to user-and time-varying …

Background: Wearable activity trackers are newly emerging technologies with the
anticipation for successfully supporting aging-in-place. Consumer-grade wearable activity …

Background: Physical activity can prevent or delay age-related impairments and prolong the
ability of older adults to live independently. Community-based programs typically offer …

Background: Physical activity is considered a comprehensive approach for managing
limitations in physical function among adults with chronic disabling conditions. However …

Background The majority of young people do not meet the recommendations on physical
activity for health. New innovative ways to motivate young people to adopt a physically …

Background: Although maintaining a healthy weight and physical conditioning are
requirements of active military duty, many US veterans rapidly gain weight and lose …

Background: Decreasing levels of physical activity (PA) increase the incidences of
noncommunicable diseases, obesity, and mortality. To counteract these developments …

Background Globally, 81% of youth do not meet the physical activity (PA) guidelines. Youth
of families with a low socioeconomic position are less likely to meet the recommended PA …

Background Low levels of physical activity are associated with numerous adverse health
outcomes, yet sedentary lifestyles are common among both children and adults. Physical …

Background: The prevalence of overweight and obesity in children and adolescents has
dramatically increased in the Pacific Island countries and territories over the last decade …