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sedentary physical activity objective

Sydney A Jones, Quefeng Li, Allison E Aiello, Angela M O'Rand, Kelly R Evenson
INTRODUCTION: Physical activity and sedentary behavior are major risk factors for chronic disease. These behaviors may change at retirement, with implications for health in later life. The study objective was to describe longitudinal patterns of moderate to vigorous and domain-specific physical activity and TV watching by retirement status. METHODS: Participants in the Multi-Ethnic Study of Atherosclerosis (n=6,814) were recruited from six U.S. communities and were aged 45-84 years at baseline...
April 9, 2018: American Journal of Preventive Medicine
Andy J Daly-Smith, Stephen Zwolinsky, Jim McKenna, Phillip D Tomporowski, Margaret Anne Defeyter, Andrew Manley
Objective: To examine the impact of acute classroom movement break (CMB) and physically active learning (PAL) interventions on physical activity (PA), cognition, academic performance and classroom behaviour. Design: Systematic review. Data sources: PubMed, EBSCO, Academic Search Complete, Education Resources Information Center, PsycINFO, SPORTDiscus, SCOPUS and Web of Science. Eligibility criteria for selecting studies: Studies investigating school-based acute bouts of CMB or PAL on (PA), cognition, academic performance and classroom behaviour...
2018: BMJ Open Sport & Exercise Medicine
Cédric Gubelmann, Raphael Heinzer, José Haba-Rubio, Peter Vollenweider, Pedro Marques-Vidal
Study objectives: To evaluate the association of objective physical activity (PA) and sedentary behaviour (SB) with sleep duration and quality. Methods: Cross-sectional study including 2649 adults (53.5% women, 45-86 years) from the general population. Proportions of time spent in PA and SB were measured using 14-day accelerometry. Low PA and high SB status were defined as the lowest and highest tertile of each behaviour. 'Inactive', 'Weekend warrior' and 'Regularly active' weekly patterns were also defined...
March 30, 2018: Sleep
Laura Joensuu, Heidi Syväoja, Jouni Kallio, Janne Kulmala, Urho M Kujala, Tuija H Tammelin
The aim of this study was to examine and quantify the cross-sectional associations of body composition (BC), physical activity (PA) and sedentary time (ST) with physical fitness (PF) in children and adolescents. A sample of 594 Finnish students (56% girls), aged 9-15 (12.4 ± 1.3 years) were selected for a study performed in 2013. The measurements of the Move! monitoring system for physical functional capacity were used to measure cardiorespiratory and musculoskeletal fitness and fundamental movement skills...
April 3, 2018: European Journal of Sport Science
Y F Zhao, J X Ma, J H Li, B Chen, Y Yang, H Liang, L J Wang, D B Peng, M G Jin, A M Wang, R M Li, W H Li, W J Wang
Objective: To investigate the prevalence of physical activity and its influencing factors in rural residents in Shanxi and Chongqing. Methods: In four counties (districts) of Shanxi and Chongqing, local residents aged ≥18 who lived there for more than one year and had no plan to migrate to other areas in 2 years were surveyed through face to face questionnaire interviews to collect the information about their daily physical activity time, sedentary time, related knowledge and attitude, and others. Results: The physical inactivity rate of the residents was 14...
March 10, 2018: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Esther Roe, Esther Serra, German Guzman, Ignacio Sajoux
Background: Poor eating habits, a sedentary lifestyle, and limited physical activity are predisposing factors for the development of cellulite. The PnKCelulitis® Programme (Pronokal Group, Barcelona, Spain) is a new approach to the treatment of cellulite that combines dietary guidelines, physical exercise, and the application of an anti-cellulite cream. Objective: We sought to objectively and via cutaneous ultrasound assess the benefit of the new multidisciplinary anti-cellulite treatment program and to evaluate any visual changes in the appearance of the skin...
March 2018: Journal of Clinical and Aesthetic Dermatology
Eni Halilaj, Trevor J Hastie, Garry E Gold, Scott L Delp
OBJECTIVE: The purpose of this study was to determine if there is an association between objectively measured physical activity and longitudinal changes in knee cartilage microstructure. METHODS: We used accelerometry and T2 -weighted Magnetic Resonance Imaging data from the Osteoarthritis Initiative, restricting the analysis to men aged 45 - 60 years, with a BMI of 25 - 27 kg/m2 and no radiographic evidence of knee osteoarthritis. After computing four-year changes in mean T2 relaxation time for six femoral cartilage regions and mean daily times spent in the sedentary, light, moderate, and vigorous activity ranges, we performed canonical correlation analysis to find a linear combination of times spent in different activity intensity ranges (Activity Index) that was maximally correlated with a linear combination of regional changes in cartilage microstructure (Cartilage Microstructure Index)...
March 29, 2018: Osteoarthritis and Cartilage
Leo D Westbury, Richard M Dodds, Holly E Syddall, Alicja M Baczynska, Sarah C Shaw, Elaine M Dennison, Helen C Roberts, Avan Aihie Sayer, Cyrus Cooper, Harnish P Patel
Regular physical activity (PA) is associated with reduced risk of the development and progression of musculoskeletal, metabolic and vascular disease. However, PA declines with age and this can contribute to multiple adverse outcomes. The aims of this study were to describe the relationship between accelerometer-determined PA, body composition and sarcopenia (the loss of muscle mass and function with age). Seven-day PA was measured using the GENEactiv accelerometer among 32 men and 99 women aged 74-84 years who participated in the Hertfordshire Sarcopenia Study...
March 27, 2018: Calcified Tissue International
Tarun Reddy Katapally, Jasmin Bhawra, Scott T Leatherdale, Leah Ferguson, Justin Longo, Daniel Rainham, Richard Larouche, Nathaniel Osgood
BACKGROUND: Physical inactivity is the fourth leading cause of death worldwide, costing approximately US $67.5 billion per year to health care systems. To curb the physical inactivity pandemic, it is time to move beyond traditional approaches and engage citizens by repurposing sedentary behavior (SB)-enabling ubiquitous tools (eg, smartphones). OBJECTIVE: The primary objective of the Saskatchewan, let's move and map our activity (SMART) Study was to develop a mobile and citizen science methodological platform for active living surveillance, knowledge translation, and policy interventions...
March 27, 2018: JMIR Public Health and Surveillance
Dimitrios A Koutoukidis, Sonia Lopes, Lou Atkins, Helen Croker, M Tish Knobf, Anne Lanceley, Rebecca J Beeken
BACKGROUND: About 80% of endometrial cancer survivors (ECS) are overweight or obese and have sedentary behaviors. Lifestyle behavior interventions are promising for improving dietary and physical activity behaviors, but the constructs associated with their effectiveness are often inadequately reported. The aim of this study was to systematically adapt an evidence-based behavior change program to improve healthy lifestyle behaviors in ECS. METHODS: Following a review of the literature, focus groups and interviews were conducted with ECS (n = 16)...
March 27, 2018: BMC Public Health
Kristen M Metcalf, Barbara I Baquero, Mayra L Coronado Garcia, Shelby L Francis, Kathleen F Janz, Helena H Laroche, Daniel K Sewell
BACKGROUND: Self-report questionnaires are a valuable method of physical activity measurement in public health research; however, accuracy is often lacking. The purpose of this study is to improve the validity of the Global Physical Activity Questionnaire by calibrating it to 7 days of accelerometer measured physical activity and sedentary behavior. METHODS: Participants (n = 108) wore an ActiGraph GT9X Link on their non-dominant wrist for 7 days. Following the accelerometer wear period, participants completed a telephone Global Physical Activity Questionnaire with a research assistant...
March 27, 2018: BMC Public Health
Maarten Caspers, Sara Blocquiaux, Ruben Charlier, Sara Knaeps, Johan Lefevre, Katrien De Bock, Martine Thomis
The aim of this exploratory study was to investigate how sedentary behavior (SB) and physical activity (PA) influence DNA methylation at a global, gene-specific, and health-related pathway level. SB, light PA (LPA), and moderate-to-vigorous PA (MVPA) were assessed objectively for 41 Flemish men using the SenseWear Pro 3 Armband. CpG site-specific methylation in leukocytes was determined using the Illumina HumanMethylation 450 BeadChip. Correlations were calculated between time spent on the three PA intensity levels and global DNA methylation, using a z-score-based method to determine global DNA methylation levels...
April 2018: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
J-P Chaput, J D Barnes, M S Tremblay, M Fogelholm, G Hu, E V Lambert, C Maher, J Maia, T Olds, V Onywera, O L Sarmiento, M Standage, C Tudor-Locke, P T Katzmarzyk
BACKGROUND: It is unknown whether moderate-to-vigorous physical activity (MVPA) thresholds for obesity should be adapted depending on level of sedentary behaviour in children. OBJECTIVE: The objective of the study is to determine the MVPA thresholds that best discriminate between obese and non-obese children, by level of screen time and total sedentary time in 12 countries. METHODS: This multinational, cross-sectional study included 6522 children 9-11 years of age...
March 24, 2018: Pediatric Obesity
Frances M Sobierajski, Graeme M Purdy, Charlotte W Usselman, Rachel J Skow, Marina A James, Radha S Chari, Rshmi Khurana, Michael K Stickland, Sandra T Davidge, Maureen Devolin, Craig D Steinback, Margie H Davenport
BACKGROUND: Cardiovagal baroreflex gain (cBRG) reflects an individual's ability to buffer swings in blood pressure. It is not well understood how this mechanism is influenced by physical activity in pregnancy. Because pregnant women tend to engage in low levels of moderate-to-vigorous physical activity (MVPA) and high levels of sedentary behaviour, we sought to determine the influence of MVPA and sedentary behaviour on cBRG and mean arterial pressure (MAP) in pregnancy. METHODS: Fifty-eight third trimester (31...
April 2018: Canadian Journal of Cardiology
Seth A Creasy, Corey A Rynders, Audrey Bergouignan, Elizabeth H Kealey, Daniel H Bessesen
OBJECTIVE: Free-living adaptive responses to short-term overfeeding (OF) were explored as predictors of longitudinal weight change in adults classified as having obesity resistance (OR) or obesity proneness (OP) based on self-identification and personal/family weight history. METHODS: Adults identified as OP (n = 21; BMI: 23.8 ± 2.5 kg/m2 ) and OR (n = 20; BMI: 20.2 ± 2.1 kg/m2 ) completed 3 days of eucaloric feeding (EU; 100% of energy needs) and 3 days of OF (140% of energy needs)...
April 2018: Obesity
Robert Talarico, Ian Janssen
BACKGROUND/OBJECTIVES: The 24 h day is made up of four movement behaviors: sleep, sedentary behavior (SB), light intensity physical activity (LIPA), and moderate-to-vigorous physical activity (MVPA). Previous studies examining associations between movement behaviors and obesity have used flawed statistical methods that did not account for the co-dependent and compositional nature of movement behaviors. Our objective was to use compositional data analysis methods to investigate the relationships between movement behaviors and obesity measures among children...
March 5, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
Susan M Schembre, Yue Liao, Michael C Robertson, Genevieve Fridlund Dunton, Jacqueline Kerr, Meghan E Haffey, Taylor Burnett, Karen Basen-Engquist, Rachel S Hicklen
BACKGROUND: The integration of body-worn sensors with mobile devices presents a tremendous opportunity to improve just-in-time behavioral interventions by enhancing bidirectional communication between investigators and their participants. This approach can be used to deliver supportive feedback at critical moments to optimize the attainment of health behavior goals. OBJECTIVE: The goals of this systematic review were to summarize data on the content characteristics of feedback messaging used in diet and physical activity (PA) interventions and to develop a practical framework for designing just-in-time feedback for behavioral interventions...
March 22, 2018: Journal of Medical Internet Research
Noritoshi Fukushima, Makiko Kitabayashi, Hiroyuki Kikuchi, Hiroyuki Sasai, Koichiro Oka, Yoshio Nakata, Shigeho Tanaka, And Shigeru Inoue
OBJECTIVE: The times spent in sedentary behavior (SB) and moderate-to-vigorous physical activity (MVPA) are independently associated with health outcomes; however, objective data on physical activity levels including SB among different occupations is limited. We compared accelerometer-measured times spent in SB, light-intensity physical activity (LPA), and MVPA, and the patterns associated with prolonged bouts of SB between white- and blue-collar workers. METHODS: The study population consisted of 102 full-time plant workers (54 white-collar and 48 blue-collar) who wore a triaxial accelerometer during waking hours for 5 working days...
March 20, 2018: Journal of Occupational Health
D Dumuid, L K Lewis, T S Olds, C Maher, C Bondarenko, L Norton
OBJECTIVE: Older adults' health has been linked with time in moderate-to-vigorous physical activity (MVPA), and recent studies suggest time in sedentary behaviour may also be important. Time-use behaviours (MVPA, light physical activity, sedentary time and sleep) are co-dependent, and therefore their associations with health should be examined in an integrated manner. This is the first study to investigate the relationship between older adults' reallocation of time among these time-use behaviours and markers of cardio-respiratory fitness, obesity and cardio-metabolic risk...
April 2018: Maturitas
Jessica McNeil, Megan S Farris, Yibing Ruan, Heather Merry, Brigid M Lynch, Charles E Matthews, Kerry S Courneya, Christine M Friedenreich
BACKGROUND: Physical activity has emerged as an important lifestyle factor for primary prevention of numerous diseases, including postmenopausal breast cancer. No study to date has assessed the acute and long-term effects of year-long aerobic exercise programs differing in prescribed exercise volume on physical activity and sedentary time in postmenopausal women. Therefore, we aimed to examine the effects of two moderate-vigorous intensity exercise doses on total, light and moderate-vigorous intensity physical activity times, and sedentary time in postmenopausal women during the year-long intervention and one year later...
March 21, 2018: International Journal of Behavioral Nutrition and Physical Activity
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