In developed and developing countries, social, economic, and environmental transitions have led to physical inactivity and large amounts of time spent sitting. Research is now unraveling the adverse public health consequences of too much sitting. We describe improvements in device-based measurement that are providing new insights into sedentary behavior and health. We consider the implications of research linking evidence from epidemiology and behavioral science with mechanistic insights into the underlying biology of sitting time. Such evidence has led to new sedentary behavior guidelines and initiatives. We highlight ways that this emerging knowledge base can inform public health strategy: First, we consider epidemiologic and experimental evidence on the health consequences of sedentary behavior; second, we describe solutions-focused research from initiatives in workplaces and schools. To inform a broad public health strategy, researchers need to pursue evidence-informed collabora...

A sedentary lifestyle has become a perilous issue with severe health repercussions in the present era. Modern technology has significantly contributed to the sedentary lifestyle of many people, especially employees, with concomitant physical, physiological, and social health risks. Due to a lack of regular exercise, many people now struggle with obesity, diabetes, and hypertension. Therefore, this study examined the sedentary lifestyle, its contributing variables, and its various health consequences. People should actively engage in physical activity, adjust their dietary habits, and avoid health-harming behaviours. Understanding the association between sedentary behaviour and health outcomes and altering this behaviour are crucial for reducing morbidity and mortality rates. The detrimental health effects undeniably escalate as the total daily inactive time increases. The study suggests that workplaces and public spaces should be designed to encourage active and recreational activit...

Purpose:This study explored definitions of sedentary behavior and examined the relationship between sitting time and physical inactivity using the sitting items from the International Physical Activity Questionnaire (IPAQ).Methods:Participants (N = 289, 44.6% male, mean age = 35.93) from 3 countries completed self-administered long- and short-IPAQ sitting items. Participants wore accelero-meters; were classified as inactive (no leisure-time activity), insufficiently active, or meeting recommendations; and were classified into tertiles of sitting behavior.Results:Reliability of sitting time was acceptable for men and women. Correlations between total sitting and accelerometer counts/min <100 were significant for both long (r = .33) and short (r = .34) forms. There was no agreement between tertiles of sitting and the inactivity category (kappa = .02, P = .68).Conclusion:Sedentary behavior should be explicitly measured in population surveillance and research instead of being defined...

Methods. Thirty-two sedentary 18-to 55-year-old adults were randomly assigned to three groups of brisk walking/6 days per week: 30 continuous minutes, three 10-minute bouts, and 30 minutes in any combination of bouts as long as each bout was at least 5 minutes. Aerobic fitness, ...

We examined the pattern of change in sedentary behavior (SB) resulting from a physical activity (PA) intervention in older adults, and the influence of sex on changes in SB. One hundred twenty (N = 120) inactive older adults from 2 12-week step/day-target interventions were included in this pooled reanalysis. Participants were randomly assigned to an intervention (STEP) or control group (CON). A Hip-worn accelerometer (Actigraph) was used to assess SB and PA. Significant decreases in SB (-25 minutes) were largely accounted for by the increase in moderate- to vigorous-intensity PA (MVPA; +17.3 minutes). More broadly, data showed that for every 1% increase in proportion of time spent in MVPA, SB decreased by 1.21%. Results of the pattern analysis showed significant pre-post decreases in the number of daily sedentary bouts lasting 10, 20, and 30 minutes and the number of sit-to-stand transitions in the STEP group. Males tended to decrease time spent in longer bouts and females tended t...

This chapter aims to present an overview of the scientific background and current recommendations for sedentary behaviour. We have presented the current sedentary behaviour definition and defined other terms related to sedentary behaviour. The determinants of sedentary behaviour were discussed, and the ecological model was presented. Based on the recent data from the literature, the relationship between sedentary behaviour and health indicators was presented and discussed. Finally, we discussed the recommendation regarding sedentary behaviour, and presented the daily guidelines involving physical activity, sedentary behaviour, and sleep routine.

A novel approach to an (at least) 300 year old minhag to bake a challah with a key inside it on the first Shabbos after Pesach, as well as other minhagim that relate to this time of year. Unedited.