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https://www.readbyqxmd.com/read/27935792/youth-and-caregiver-physical-activity-and-sedentary-time-hchs-sol-youth
#1
Linda C Gallo, Scott P Roesch, Jessica L McCurley, Carmen R Isasi, Daniela Sotres-Alvarez, Alan M Delamater, Linda Van Horn, Elva M Arredondo, Krista M Perreira, Christina Buelna, Qibin Qi, Denise C Vidot, Mercedes R Carnethon
OBJECTIVES: We examined associations between youth and caregiver moderate/ vigorous physical activity (MVPA) and sedentary (SED) time, using accelerometery, in the Hispanic Community Health Study/Study of Latino Youth (HCHS/ SOL) Youth. METHODS: Participants were 623 caregivers and 877 youth 8-16 years old, enrolled in 2012-2014. Associations of youth and caregiver MVPA time, SED time, and meeting MVPA recommendations ( 150 min/week, adults; 420 min/week, youth) were examined in regression models that controlled for sample weights, design effects, and demographic and health covariates...
January 2017: American Journal of Health Behavior
https://www.readbyqxmd.com/read/27931188/measuring-moderate-intensity-walking-in-older-adults-using-the-actigraph-accelerometer
#2
Anthony Barnett, Daniel van den Hoek, David Barnett, Ester Cerin
BACKGROUND: Accelerometry is the method of choice for objectively assessing physical activity in older adults. Many studies have used an accelerometer count cut point corresponding to 3 metabolic equivalents (METs) derived in young adults during treadmill walking and running with a resting metabolic rate (RMR) assumed at 3.5 mL · kg(-1) · min(-1) (corresponding to 1 MET). RMR is lower in older adults; therefore, their 3 MET level occurs at a lower absolute energy expenditure making the cut point derived from young adults inappropriate for this population...
December 8, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27929670/physical-activity-and-changes-in-adiposity-in-the-transition-from-elementary-to-middle-school
#3
Marsha Dowda, Sharon E Taverno Ross, Kerry L McIver, Rodney K Dishman, Russell R Pate
OBJECTIVES: This study examined the longitudinal associations of objectively measured physical activity, sedentary behavior, and diet quality with two measures of adiposity and a measure of weight status. METHODS: A total of 658 children from 21 elementary schools (45.1% boys; 40% white, 33% black, 9% Hispanic, and 18% other race/ethnicity) were assessed at least twice in fifth, sixth, and/or seventh grade. Fat mass index (FMI), percent body fat (PBF), and BMI were calculated from body weight, standing and seated heights, and bioelectrical impedance (BIA) measured each year...
December 8, 2016: Childhood Obesity
https://www.readbyqxmd.com/read/27923668/health-associations-with-meeting-new-24-h-movement-guidelines-for-canadian-children-and-youth
#4
Valerie Carson, Jean-Philippe Chaput, Ian Janssen, Mark S Tremblay
The study objective was to examine whether meeting the new Canadian 24-h movement guidelines was associated with health indicators in a representative sample of Canadian children and youth. Cross-sectional findings are based on 4157 (1239 fasting subsample) children and youth aged 6-17years from cycles 1-3 of the Canadian Health Measures Survey (CHMS). Sleep and screen time were subjectively measured while moderate- to vigorous-intensity physical activity (MVPA) was accelerometer-determined. Health indicators in the full sample (body mass index (BMI) z scores, waist circumference, blood pressure, behavioral strengths and difficulties score (lower=better), and aerobic fitness) and fasting subsample (triglycerides, high-density lipoprotein (HDL)-cholesterol, C-reactive protein, and insulin) were measured...
December 3, 2016: Preventive Medicine
https://www.readbyqxmd.com/read/27919494/physical-activity-in-pediatric-onset-multiple-sclerosis-validating-a-questionnaire-for-clinical-practice-and-research
#5
Dominique Kinnett-Hopkins, Stephanie A Grover, E Ann Yeh, Robert W Motl
BACKGROUND: Knowledge regarding physical activity (PA) and its benefits in pediatric onset multiple sclerosis (POMS) is growing and suggests high levels of inactivity. The utility of a validated screening tool for clinical settings is unknown. This study evaluated the Godin Leisure-Time Exercise Questionnaire (GLTEQ) as a measure of PA in POMS. METHODS: POMS patients (n=27) and healthy controls (n=45) wore an accelerometer over a 7-day period and then completed the GLTEQ...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27918703/patterns-and-predictors-of-change-in-moderate-to-vigorous-physical-activity-over-time-in-multiple-sclerosis
#6
Rachel E Klaren, Jeffer E Sasaki, Edward McAuley, Robert W Motl
BACKGROUND: Physical inactivity is common in persons with multiple sclerosis (MS), but there is very little known about the pattern and predictors of changes in physical activity over time. PURPOSE: This study examined changes in moderate-to-vigorous physical activity (MVPA) over a 30-month time period and the demographic and clinical predictors of such changes in relapsing-remitting MS (RRMS). METHODS: 269 persons with MS wore an accelerometer for a 7-day period and completed a demographic/clinical scale every 6 months over a 30-month period...
December 5, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27918695/sedentary-time-physical-activity-and-executive-function-in-a-longitudinal-study-of-youth
#7
Erick E Wickel
BACKGROUND: This study examined associations between sedentary time, physical activity (PA), and executive function among youth participating in the Study of Early Child Care and Youth Development. METHODS: >: Sedentary time and PA (light, moderate, vigorous, and moderate-to-vigorous (MVPA)) were objectively assessed at 9 and 15 yrs, while executive function (inhibition, working memory, and fluid intelligence) were assessed at 15 yrs. Regression models were used to examine associations...
December 5, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27914468/intra-individual-variability-in-day-to-day-and-month-to-month-measurements-of-physical-activity-and-sedentary-behaviour-at-work-and-in-leisure-time-among-danish-adults
#8
E S L Pedersen, I H Danquah, C B Petersen, J S Tolstrup
BACKGROUND: Accelerometers can obtain precise measurements of movements during the day. However, the individual activity pattern varies from day-to-day and there is limited evidence on measurement days needed to obtain sufficient reliability. The aim of this study was to examine variability in accelerometer derived data on sedentary behaviour and physical activity at work and in leisure-time during week days among Danish office employees. METHODS: We included control participants (n = 135) from the Take a Stand! Intervention; a cluster randomized controlled trial conducted in 19 offices...
December 3, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27913588/action-categories-in-lateral-occipitotemporal-cortex-are-organized-along-sociality-and-transitivity
#9
Moritz F Wurm, Alfonso Caramazza, Angelika Lingnau
: How neural specificity for distinct conceptual knowledge categories arises is central for understanding the organization of semantic memory in the human brain. While there is a large body of research on the neural processing of distinct object categories, the organization of action categories remains largely unknown. In particular, it is unknown if different action categories follow a specific topographical organization on the cortical surface, analogously to the category-specific organization of object knowledge...
December 2, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27908787/fractionating-the-anterior-temporal-lobe-mvpa-reveals-differential-responses-to-input-and-conceptual-modality
#10
Charlotte Murphy, Shirley-Ann Rueschemeyer, David Watson, Theodoros Karapanagiotidis, Jonathan Smallwood, Elizabeth Jefferies
Words activate cortical regions in accordance with their modality of presentation (i.e., written vs. spoken), yet there is a long-standing debate about whether patterns of activity in any specific brain region capture modality-invariant conceptual information. Deficits in patients with semantic dementia highlight the anterior temporal lobe (ATL) as an amodal store of semantic knowledge but these studies do not permit precise localisation of this function. The current investigation used multiple imaging methods in healthy participants to examine functional dissociations within ATL...
November 28, 2016: NeuroImage
https://www.readbyqxmd.com/read/27908560/physical-activity-and-sedentary-time-in-relation-to-academic-achievement-in-children
#11
Eero A Haapala, Juuso Väistö, Niina Lintu, Kate Westgate, Ulf Ekelund, Anna-Maija Poikkeus, Soren Brage, Timo A Lakka
OBJECTIVES: To investigate the independent and combined associations of objectively measured moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) with reading and arithmetic skills. DESIGN: Cross-sectional/prospective. METHODS: Participants were 89 boys and 69 girls aged 6-8 years. MVPA and ST were measured using a combined heart rate and movement sensor and body fat percentage by dual-energy X-ray absorptiometry in Grade 1...
November 23, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27903049/associations-between-time-spent-in-green-areas-and-physical-activity-among-late-middle-aged-adults
#12
Bart Dewulf, Tijs Neutens, Delfien Van Dyck, Ilse De Bourdeaudhuij, Steven Broekx, Carolien Beckx, Nico Van de Weghe
Physical activity is an important facilitator for health and wellbeing, especially for late middle-aged adults, who are more susceptible to cardiovascular diseases. Physical activity performed in green areas is supposed to be particularly beneficial, so we studied whether late middle- aged adults are more active in green areas than in non-green areas and how this is influenced by individual characteristics and the level of neighbourhood greenness. We tracked 180 late middle-aged (58 to 65 years) adults using global positioning system and accelerometer data to know whether and where they were sedentary or active...
November 16, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27894839/relationship-of-p3b-single-trial-latencies-and-response-times-in-one-two-and-three-stimulus-oddball-tasks
#13
Matthew M Walsh, Glenn Gunzelmann, John R Anderson
The P300 is one of the most widely studied components of the human event-related potential. According to a longstanding view, the P300, and particularly its posterior subcomponent (i.e., the P3b), is driven by stimulus categorization. Whether the P3b relates to tactical processes involved in immediate responding or strategic processes that affect future behavior remains controversial, however. It is difficult to determine whether variability in P3b latencies relates to variability in response times because of limitations in the methods currently available to quantify the latency of the P3b during single trials...
November 25, 2016: Biological Psychology
https://www.readbyqxmd.com/read/27894016/adolescents-who-engage-in-active-school-transport-are-also-more-active-in-other-contexts-a-space-time-investigation
#14
Tom Stewart, Scott Duncan, Jasper Schipperijn
BACKGROUND: Although active school travel (AST) is important for increasing moderate-to-vigorous physical activity (MVPA), it is unclear how AST is related to context-specific physical activity and non-school travel. This study investigated how school travel is related to physical activity and travel behaviours across time- and space-classified domains. METHODS: A total of 196 adolescents wore a Global Positioning System receiver and an accelerometer for 7 days...
November 25, 2016: Health & Place
https://www.readbyqxmd.com/read/27893785/are-older-adults-physically-active-enough-a-matter-of-assessment-method-the-generation-100-study
#15
Nils Petter Aspvik, Hallgeir Viken, Nina Zisko, Jan Erik Ingebrigtsen, Ulrik Wisløff, Dorthe Stensvold
INTRODUCTION: Physical activity (PA) is beneficial for general health. As a result, adults around the world are recommended to undertake regular PA of either absolute or relative intensity. Traditionally, adherence to PA recommendation is assessed by accelerometers that record absolute intensity thresholds. Since ageing often results in a decrease in cardiorespiratory fitness (CRF), older adults (aged > 65 years) might be more susceptible to not meeting the PA recommendation when measured in absolute terms...
2016: PloS One
https://www.readbyqxmd.com/read/27887786/validity-and-reliability-of-fitbit-activity-monitors-compared-to-actigraph-gt3x-with-female-adults-in-a-free-living-environment
#16
Ryan E R Reid, Jessica A Insogna, Tamara E Carver, Andrea M Comptour, Nicole A Bewski, Cristina Sciortino, Ross E Andersen
OBJECTIVES: Inexpensive activity monitors have recently gained popularity with the general public. Researchers have evaluated these consumer-based monitors in laboratory-conditions. Given the current wide-spread consumer use of these devices, it is important to ensure users are attaining accurate information compared to previously validated measures. This study investigates the accuracy of Fitbit One and Flex activity monitors in measuring steps, sedentary time, and time spent in light, moderate, and vigorous intensity activities with ActiGraph GT3X+ with female adults in free-living conditions...
November 16, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27887769/activity-and-sedentary-time-10-years-after-a-successful-lifestyle-intervention-the-diabetes-prevention-program
#17
Bonny Rockette-Wagner, Kristi L Storti, Dana Dabelea, Sharon Edelstein, Hermes Florez, Paul W Franks, Maria G Montez, Jeremy Pomeroy, Andrea M Kriska
INTRODUCTION: This study aims to determine if evidence exists for a lasting effect of the Diabetes Prevention Program (DPP) lifestyle intervention on activity levels by comparing objectively collected activity data between the DPP Outcome Study (DPPOS) cohort and adults from the National Health and Nutrition Examination Survey (NHANES; 2003-2006). METHODS: Average minutes/day of light and moderate to vigorous physical activity (MVPA) and sedentary behavior from ActiGraph accelerometers (collected 2010-2012) were examined (2013-2014) for comparable DPPOS and NHANES subgroups by age, sex, and diabetes status...
November 16, 2016: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27887654/proportion-of-children-meeting-recommendations-for-24-hour-movement-guidelines-and-associations-with-adiposity-in-a-12-country-study
#18
Blanca Roman-Viñas, Jean-Philippe Chaput, Peter T Katzmarzyk, Mikael Fogelholm, Estelle V Lambert, Carol Maher, Jose Maia, Timothy Olds, Vincent Onywera, Olga L Sarmiento, Martyn Standage, Catrine Tudor-Locke, Mark S Tremblay
BACKGROUND: The Canadian 24-h movement guidelines were developed with the hope of improving health and future health outcomes in children and youth. The purpose of this study was to evaluate adherence to the 3 recommendations most strongly associated with health outcomes in new 24-h movement guidelines and their relationship with adiposity (obesity and body mass index z-score) across countries participating in the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE)...
November 25, 2016: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/27884840/long-term-effects-of-the-active-for-life-year-5-afly5-school-based-cluster-randomised-controlled-trial
#19
Emma L Anderson, Laura D Howe, Ruth R Kipping, Rona Campbell, Russell Jago, Sian M Noble, Sian Wells, Catherine Chittleborough, Tim J Peters, Debbie A Lawlor
OBJECTIVE: To investigate the long-term effectiveness of a school-based intervention to improve physical activity and diet in children. DESIGN: Cluster-randomised controlled trial. SETTING: 60 primary schools in the southwest of England. PARTICIPANTS: Primary school children who were aged 8-9 years at recruitment, 9-10 years during the intervention and 10-11 years at the long-term follow-up assessment. INTERVENTION: Teacher training, provision of lesson and child-parent interactive homework plans and teaching materials...
November 24, 2016: BMJ Open
https://www.readbyqxmd.com/read/27882858/longitudinal-associations-of-parental-and-peer-influences-with-physical-activity-during-adolescence-findings-from-the-compass-study
#20
E Y Lau, G Faulkner, W Qian, S T Leatherdale
INTRODUCTION: To examine temporal variations in parental and peer influences on adolescent physical activity (PA) and whether these variations predicted changes in PA. METHODS: We analyzed data from Years 1, 2 and 3 of the COMPASS study. Participants were 22 909 students in Grades 9 to 12 (mean age [years] = 15.42 ± 1.12, 46% boys, 85% White), who had completed the following survey items on 2 or more consecutive occasions: age, sex, grade, race/ethnicity, moderate-to-vigorous physical activity (MVPA), parental encouragement and parental instrumental support for PA, and number of active peers...
November 2016: Health Promotion and Chronic Disease Prevention in Canada
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