Background: Regular physical activity has established physical and mental health benefits;
however, merely one quarter of the US adult population meets national physical activity …

Physical inactivity is a health problem that affects people worldwide and has been identified
as the fourth largest risk factor for overall mortality (contributing to 6% of deaths globally) …

Background Smartphone apps are a promising tool for delivering accessible and appealing
physical activity interventions. Given the large growth of research in this field, there are now …

Background Physical activity mobile apps present a unique medium to disseminate scalable
interventions to increase levels of physical activity. However, the effectiveness of mobile …

Methods In this article, we summarize data on use of smartphone apps for promoting
physical activity based upon bibliographic searches with relevant search terms in PubMed …

Background: Mobile health (mHealth) interventions are effective in promoting physical
activity (PA); however, the degree to which external validity indicators are reported is …

Lack of physical activity is a global public health issue. Behavioral change interventions
utilizing smartphone applications (apps) are considered a potential solution. The purpose of …

Background: Website-delivered physical activity interventions are successful in producing
short-term behavior change. However, problems with engagement and retention of …

Background Literature shows mixed evidence about the power of mobile phone applications
to foster physical activity. A systematic integration that offers insights into which mobile …

Background The success of a mobile phone app in changing health behavior is thought to
be contingent on engagement, commonly operationalized as frequency of use. Objective …