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PubMed Journals Articles About "Acute Effects Of Sitting And Physical Activity On Brain Health" RSS

21:47 EST 25th January 2020 | BioPortfolio

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Showing "Acute Effects Sitting Physical Activity Brain Health" PubMed Articles 1–25 of 67,000+

Is sitting invisible? Exploring how people mentally represent sitting.

Growing evidence suggests that prolonged uninterrupted sitting can be detrimental to health. Much sedentary behaviour research is reliant on self-reports of sitting time, and sitting-reduction interventions often focus on reducing motivation to sit. These approaches assume that people are consciously aware of their sitting time. Drawing on Action Identification Theory, this paper argues that people rarely identify the act of sitting as 'sitting' per se, and instead view it as an incidental component of more...


Long-Term Physical Activity May Modify Brain Structure and Function: Studies in Young Healthy Twins.

Physical activity (PA) is said to be beneficial to many bodily functions. However, the effects of PA in the brain are still inadequately known. The authors aimed to uncover possible brain modulation linked with PA. Here, they combine 4 of their studies with monozygotic twins, who were within-pair discordant in PA for a minimum of 1 year.

A systematic review of physical activity and cardiorespiratory fitness on P3b.

Given accumulating evidence indicating that acute and chronic physical activity and cardiorespiratory fitness are related to modulation of the P3b-ERP component, this systematic review provides an overview of the field across the last 30+ years and discusses future directions as the field continues to develop. A systematic review was conducted on studies of physical activity and cardiorespiratory fitness on P3b. PubMed, Web of Science, and Scopus were searched from database inception to March 28, 2018. Sear...


Chronic Standing Desk Use and Arterial Stiffness.

Sedentary activity and sitting for at least 10 hours per day can increase the risk for cardiovascular disease by more than 60%. Use of standing desks may decrease sedentary time and improve cardiovascular health. Acute standing lowers pulse wave velocity (PWV), but chronic effects remain unknown. The purpose of this study was to determine the effect of chronic standing desk use on arterial stiffness versus seated controls.

Predictors of the Acute Postprandial Response to Breaking Up Prolonged Sitting.

To identify predictors of favourable changes to postprandial insulin and glucose levels in response to interrupting prolonged sitting time with standing or light intensity physical activity.

Effects of Physical Activity on the Physical and Psychosocial Health of Youth With Intellectual Disabilities: A Systematic Review and Meta-Analysis.

The physical and psychosocial benefits of physical activity for typically developing youth are well established; however, its impact on youth with intellectual disabilities is not as well understood. The aims of this review and meta-analysis were to synthesize the literature and quantify the effects of physical activity on the physical and psychosocial health of youth with intellectual disabilities.

LOCAL EXERCISE DOES NOT PREVENT THE AORTIC STIFFENING RESPONSE TO ACUTE PROLONGED SITTING: A RANDOMIZED CROSS-OVER TRIAL.

Prolonged sitting has been shown to promote endothelial dysfunction in the lower legs. Further, it has been reported that simple sitting-interruption strategies, including calf raises, prevent leg endothelial function. However, it is unclear whether prolonged sitting affects central cardiovascular health, or whether simple sitting interruption strategies prevent impaired central cardiovascular health.

Sitting and Screen Time Outside School Hours: Correlates in 6- to 8-Year-Old Children.

Although there is increasing evidence regarding children's screen time, little is known about children's sitting. This study aimed to determine the correlates of screen time and sitting in 6- to 8-year-old children.

Occupational sitting time and subsequent risk of cancer: the Japan Public Health Center-based Prospective (JPHC) Study.

Although occupational sitting time has been associated with adverse health outcomes and mortality, the association with cancer incidence remains unknown. This study investigated the association between occupational sitting time and risk of total and site-specific cancer in a Japanese population. We evaluated 33,307 participants aged 50-79 years who responded to a questionnaire in 2000-2003 in the Japan Public Health Center-based Prospective Study and were followed until 2013. Participants were grouped by si...

The Association Among Social Support, Self-Efficacy, Use of Mobile Apps, and Physical Activity: Structural Equation Models With Mediating Effects.

Physical inactivity is a risk factor for chronic noncommunicable diseases. Insufficient physical activity has become an important public health problem worldwide. As mobile apps have rapidly developed, physical activity apps have the potential to improve the level of physical activity among populations.

Associations of sitting time with leisure-time physical inactivity, education and BMI change.

We aimed to investigate the associations of long-term leisure-time physical inactivity, body mass index (BMI) change, and education with sitting time in a 35-year follow-up based on self-reports in surveys. Influences of working status in 2011 and familial confounding on the associations were tested. Data were based on the population-based Finnish Twin Cohort of 5232 twins (53-67-year-old, 41% men) with four surveys in 1975-2011. Statistical analyses were performed using linear regression with several covar...

Approaches to Improve Causal Inference in Physical Activity Epidemiology.

It is not always clear whether physical activity is causally related to health outcomes, or whether the associations are induced through confounding or other biases. Randomized controlled trials of physical activity are not feasible when outcomes of interest are rare or develop over many years. Thus, we need methods to improve causal inference in observational physical activity studies.

Sitting Time and Risk of Cardiovascular Disease and Diabetes: A Systematic Review and Meta-Analysis.

Whether physical activity attenuates the association of total daily sitting time with cardiovascular disease and diabetes incidence is unclear. This systematic review and meta-analysis examined the association of total daily sitting time with cardiovascular disease and diabetes with and without adjustment for physical activity.

The Use and Effects of an App-Based Physical Activity Intervention "Active2Gether" in Young Adults: Quasi-Experimental Trial.

Insufficient physical activity (PA) is highly prevalent and associated with adverse health conditions and the risk of noncommunicable diseases. To increase levels of PA, effective interventions to promote PA are needed. Present-day technologies such as smartphones, smartphone apps, and activity trackers offer several possibilities in health promotion.

How do office workers respond to media coverage of sitting?

Sitting time is associated with adverse physical and mental health outcomes, and premature mortality. Office workers sit for prolonged periods, so are at particular risk. Scientific advances in public health threats are predominantly communicated to the public through media reports.

Loneliness and subjective physical health among war veterans: Long term reciprocal effects.

Poor subjective physical health and loneliness are among the most detrimental ramifications of trauma. Indeed, substantial research has examined the link between subjective physical health and loneliness, mainly focusing on how loneliness leads to poorer physical health. However, the effects of poor subjective physical health on loneliness, as well as the reciprocal effects of these two factors, have scarcely been examined. Even less is known regarding the course of these mutual effects among individuals wh...

Benefits of physical activity for cancer patients.

The prescription of physical activity for patients living with a long-term condition has been enshrined in legislation since 2016. The French National Cancer Institute published a literature review on the expected effects of physical activity in patients living with cancer. The benefits are prevention or correction of physical deconditioning, a preservation and/or a normalization of body composition, a reduction of cancerrelated fatigue, an overall quality-of-life improvement, the improvement of treatments ...

The association between physical activity and a composite measure of sleep health.

Physical activity has been associated with several individual dimensions of sleep. However, the association between physical activity and sleep health, a construct that emphasizes the multidimensional nature of sleep, has not been explored. This analysis examined the relationship between physical activity and a composite measure of sleep health.

Do Birds of a Feather Flock Together Within a Team-Based Physical Activity Intervention? A Social Network Analysis.

Homophily is the tendency to associate with friends similar to ourselves. This study explored the effects of homophily on team formation in a physical activity challenge in which "captains" signed up their Facebook friends to form teams.

The South African 24-Hour Movement Guidelines for Birth to 5 Years: An Integration of Physical Activity, Sitting Behavior, Screen Time, and Sleep.

In December 2018, the South African 24-hour movement guidelines for birth to 5 years were released. This article describes the process used to develop these guidelines.

Associations of physical activity and screen time with white matter microstructure in children from the general population.

Physical activity and sedentary behaviors have been linked to a variety of general health benefits and problems. However, few studies have examined how physical activity during childhood is related to brain development, with the majority of work to date focusing on cardio-metabolic health. This study examines the association between physical activity and screen time with white matter microstructure in the general pediatric population. In a sample of 2,532 children (10.12 ± 0.58 years; 50.04% boys) from...

Detecting Prolonged Sitting Bouts with the ActiGraph GT3X.

The ActiGraph has a high ability to measure physical activity, however, it lacks an accurate posture classification to measure sedentary behaviour. The aim of the present study was to develop an ActiGraph (waist-worn, 30Hz) posture classification to detect prolonged sitting bouts, and to compare the classification to proprietary ActiGraph data. The activPAL, a highly valid posture classification device, served as reference criterion. Both sensors were worn by 38 office workers over a median duration of 9 da...

Relevance of Activity Tracking With Mobile Devices in the Relationship Between Physical Activity Levels and Satisfaction With Physical Fitness in Older Adults: Representative Survey.

Physical activity has been shown to positively affect many aspects of life, and the positive relationship between physical activity levels and health is well established. Recently, research on the interrelationship between physical activity levels and subjective experiences has gained attention. However, the underlying mechanisms that link physical activity levels with subjective experiences of physical fitness have not been sufficiently explained.

Efficacy of an m-Health Physical Activity and Sleep Health Intervention for Adults: A Randomized Waitlist-Controlled Trial.

Interventions that improve both physical activity and sleep quality may be more effective in improving overall health. The purpose of the Synergy Study is to test the efficacy of a mobile health combined behavior intervention targeting physical activity and sleep quality.

Maternal Physical Activity and Neonatal Cord Blood Lipid Levels: Findings From a Prospective Pregnancy Cohort.

Physical activity performed while pregnant is beneficially associated with maternal cardiovascular health. It is unknown if benefits extend to neonatal cardiovascular health. This study investigated associations of maternal physical activity with neonatal cord blood lipid and lipoprotein concentrations.


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