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https://www.readbyqxmd.com/read/28727533/transit-rider-body-mass-index-before-and-after-completion-of-street-light-rail-line-in-utah
#1
Barbara B Brown, Ken R Smith, Wyatt A Jensen, Doug Tharp
OBJECTIVES: To determine whether 2012 to 2015 (times 1-3) ridership changes correlated with body mass index (BMI) changes after transit line completion in Salt Lake City, Utah. METHODS: We used Global Positioning System/accelerometry-measured transit ridership measures in 2012 to 2013 (times 1-2) to compare objective and self-reported ridership. Regression models related changes in objectively measured ridership (times 1-2) and self-reported ridership (times 1-2 and times 1-3) to BMI changes, adjusting for control variables...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28726550/exploring-the-impact-of-high-intensity-interval-training-on-adolescents-objectively-measured-physical-activity-findings-from-a-randomized-controlled-trial
#2
Sarah A Costigan, Nicola D Ridgers, Narelle Eather, Ronald C Plotnikoff, Nigel Harris, David R Lubans
High Intensity Interval Training (HIIT) may be effective for accumulating VPA. However, the contribution of HIIT to overall physical activity is unknown. Our primary aim was to explore the impact of school-based HIIT on physical activity. The secondary aim was to explore within-individual changes in physical activity after participating in HIIT. Participants [n = 65; 15.8(0.6)years] were randomized to a HIIT or control group. Intervention groups participated in three HIIT sessions/week. GENEActiv accelerometers assessed objective physical activity at baseline and week-one, to detect changes in MPA and VPA...
July 20, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28725543/exploring-parents-screen-viewing-behaviours-and-sedentary-time-in-association-with-their-attitudes-toward-their-young-child-s-screen-viewing
#3
Emma Solomon-Moore, Simon J Sebire, Corrie Macdonald-Wallis, Janice L Thompson, Deborah A Lawlor, Russell Jago
Sedentary time and screen-viewing (SV) are associated with chronic disease risk in adults. Parent and child sedentary time and SV are associated. Parents influence children's SV through parenting styles and role modelling. Understanding whether parents' attitudes toward child SV are associated with their own SV and sedentary time will aid development of family interventions to reduce sedentary behaviours. Cross-sectional data with 809 parents from Bristol, UK were collected in 2012-2013 and analysed in 2016...
September 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28724509/youth-oriented-activity-trackers-comprehensive-laboratory-and-field-based-validation
#4
John R Sirard, Brittany Masteller, Patty S Freedson, Albert Mendoza, Amanda Hickey
BACKGROUND: Commercial activity trackers are growing in popularity among adults and some are beginning to be marketed to children. There is, however, a paucity of independent research examining the validity of these devices to detect physical activity of different intensity levels. OBJECTIVES: The purpose of this study was to determine the validity of the output from 3 commercial youth-oriented activity trackers in 3 phases: (1) orbital shaker, (2) structured indoor activities, and (3) 4 days of free-living activity...
July 19, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28723844/associations-of-physical-activity-intensities-with-markers-of-insulin-sensitivity
#5
Charlotte Jelleyman, Charlotte L Edwardson, Joseph Henson, Laura J Gray, Alex V Rowlands, Kamlesh Khunti, Melanie J Davies, Thomas Yates
BACKGROUND: Objectively measured physical activity (PA) intensity has traditionally been categorised as light, moderate and vigorous using laboratory calibrated cut-points. The relative contribution of time spent across a spectrum of accelerometer-determined intensities on health outcomes is less clear. PURPOSE: To assess the relationship between objectively measured PA intensity on a continuous scale and markers of insulin sensitivity. METHODS: Participants at high risk of type 2 diabetes were recruited from primary care (Leicestershire, UK)...
July 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28722821/sensory-strategies-of-postural-sway-during-quiet-stance-in-patients-with-haemophilic-arthropathy
#6
C Cruz-Montecinos, C De la Fuente, G Rivera-Lillo, S Morales-Castillo, V Soto-Arellano, F Querol, S Pérez-Alenda
INTRODUCTION: The sensory strategies of postural control in adult haemophilic arthropathy patients are still poorly understood. AIM: To determine sensorial posture-control strategies through postural sway frequency analysis when in a bipedal quiet stance with and without visual stimulus deprivation in healthy subjects and patients with haemophilic arthropathy. Secondarily, to determine the irregularity of postural balance control through sample entropy (SampEn)...
July 19, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28721428/gender-and-age-differences-in-levels-types-and-locations-of-physical-activity-among-older-adults-living-in-car-dependent-neighborhoods
#7
W Li, E Procter-Gray, L Churchill, S E Crouter, K Kane, J Tian, P D Franklin, J K Ockene, J Gurwitz
BACKGROUND: A thorough understanding of gender differences in physical activity is critical to effective promotion of active living in older adults. OBJECTIVES: To examine gender and age differences in levels, types and locations of physical activity. DESIGN: Cross-sectional observation. SETTING: Car-dependent urban and rural neighborhoods in Worcester County, Massachusetts, USA. PARTICIPANTS: 111 men and 103 women aged 65 years and older...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28720556/ecological-momentary-assessment-of-physical-activity-validation-study
#8
Gregory Knell, Kelley Pettee Gabriel, Michael S Businelle, Kerem Shuval, David W Wetter, Darla E Kendzor
BACKGROUND: Ecological momentary assessment (EMA) may elicit physical activity (PA) estimates that are less prone to bias than traditional self-report measures while providing context. OBJECTIVES: The objective of this study was to examine the convergent validity of EMA-assessed PA compared with accelerometry. METHODS: The participants self-reported their PA using International Physical Activity Questionnaire (IPAQ) and Behavioral Risk Factor Surveillance System (BRFSS) and wore an accelerometer while completing daily EMAs (delivered through the mobile phone) for 7 days...
July 18, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28720079/implementation-effectiveness-trial-of-an-ecological-intervention-for-physical-activity-in-ethnically-diverse-low-income-senior-centers
#9
Porchia Rich, Gregory A Aarons, Michelle Takemoto, Veronica Cardenas, Katie Crist, Khalisa Bolling, Brittany Lewars, Cynthia Castro Sweet, Loki Natarajan, Yuyan Shi, Kelsie M Full, Eileen Johnson, Dori E Rosenberg, Melicia Whitt-Glover, Bess Marcus, Jacqueline Kerr
BACKGROUND: As the US population ages, there is an increasing need for evidence based, peer-led physical activity programs, particularly in ethnically diverse, low income senior centers where access is limited. METHODS/DESIGN: The Peer Empowerment Program 4 Physical Activity' (PEP4PA) is a hybrid Type II implementation-effectiveness trial that is a peer-led physical activity (PA) intervention based on the ecological model of behavior change. The initial phase is a cluster randomized control trial randomized to either a peer-led PA intervention or usual center programming...
July 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28719225/association-between-social-support-and-self-care-behaviors-in-adults-with-chronic-obstructive-pulmonary-disease
#10
Zijing Chen, Vincent S Fan, Basia Belza, Kenneth Pike, Huong Q Nguyen
RATIONALE: Higher social support is associated with a better quality of life and functioning in adults with chronic obstructive pulmonary disease (COPD). OBJECTIVES: To determine the association between structural and functional social support and self-care behaviors in adults with COPD. METHODS: This was a longitudinal study using data from the CASCADE (COPD Activity: Serotonin Transporter, Cytokines, and Depression) study which was focused on depression and functioning in COPD...
July 18, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28718295/accelerometer-determined-physical-activity-and-all-cause-mortality-in-a-national-prospective-cohort-study-of-adults-post-acute-stroke
#11
Paul D Loprinzi, Ovuokerie Addoh
PURPOSE: No epidemiological study has examined the association of objectively measured physical activity with all-cause mortality among adults who have had a stroke, which was the purpose of this study. DESIGN: Prospective. SETTING: National Health and Nutrition Examination Survey 2003 to 2006. PARTICIPANTS: One hundred eighty-four patients with stroke. MEASURES: Physical activity assessed via accelerometry (ActiGraph 7164), with stroke assessed via self-report of physician diagnosis...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/28717827/individual-and-environmental-correlates-of-objectively-measured-physical-activity-and-sedentary-time-in-adults-from-curitiba-brazil
#12
Priscila Bezerra Gonçalves, Pedro Curi Hallal, Adriano Akira Ferreira Hino, Rodrigo Siqueira Reis
OBJECTIVES: This study assessed the association of individual and neighborhood environment characteristics and objectively measured physical activity (PA) and sedentary time (ST) in adults from Curitiba, Brazil. METHODS: A population-based cross-sectional study was conducted through face-to-face household interviews in 2010. The analytic sample included 305 adults aged 20-65 years recruited from 32 census tracts selected according to neighborhood walkability and socioeconomic status...
July 17, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/28714795/analysis-of-physical-activity-among-free-living-nonagenarians-from-a-sardinian-longevous-population
#13
Giovanni Mario Pes, Maria Pina Dore, Alessandra Errigo, Michel Poulain
Physical activity was identified as a major determinant of longevity. Using wearable accelerometers, we evaluated energy expenditure (EE), including resting- (REE) and total-energy expenditure, (TEE), physical activity level (PAL), percentage of PAL ≥ 3 metabolic equivalent tasks (METs), number of steps, resting index (RI%) and sleeping patterns in 44 free-living nonagenarians (27 men) residing in a Sardinian village famous for its longevous population. The average REE and TEE recorded were: men 1278 ± 161 kcal/day and 957 ± 110, and women: 2286 ± 541kcal/day and 1811 ± 308 in the women, respectively...
July 17, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28714739/relationships-between-model-predicted-and-actual-match-performance-in-professional-australian-footballers-during-an-in-season-training-macrocycle
#14
Stuart R Graham, Stuart Cormack, Gaynor Parfitt, Roger Eston
PURPOSE: To assess and compare the validity of internal and external Australian Football (AF) training load measures for predicting match exercise intensity (MEI.min(-1)) and player rank score (PR(Score)) using a variable dose-response model. METHODS: 25 professional AF players (23 ± 3 y, 188.3 ± 7.2 cm and 87.7 ± 8.4 kg) completed a 24-week in-season macrocycle. In-season internal training and match load was quantified using session-RPE (sRPE) and external load from satellite and accelerometer data...
July 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28713465/a-comparison-of-gps-workload-demands-in-match-play-and-small-sided-games-by-the-positional-role-in-youth-soccer
#15
Mathew Beenham, David J Barron, John Fry, Howard H Hurst, Antonio Figueirdo, Steve Atkins
The external demands of small-sided games (SSGs) according to the positional role are currently unknown. Using a Catapult Minimax X3 5 Hz GPS, with a 100 Hz tri-axial accelerometer, we compared the accumulated tri-axial player workload per min (PLacc·min(-1)) during friendly youth match play (MP) (11 vs. 11) and SSGs (2 vs. 2, 3 vs. 3, and 4 vs. 4). Significant differences existed between all SSGs and MP for PLacc·min(-1) (F = 21.91, p < 0.001, η2 = 0.38), and individual X (F = 27.40, p < 0.001, η2 = 0...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28712953/physical-activity-levels-in-children-with-sensory-problems-cross-sectional-analyses-from-the-millennium-cohort-study
#16
Genevieve Williams, Daniel Aggio, Brendon Stubbs, Shahina Pardhan, Benjamin Gardner, Lee Smith
BACKGROUND: Hearing and vision impairments/problems are associated with increased risk of premature mortality in adulthood. One potential pathway explaining this association is reduced levels of physical activity. Reductions in activity levels due to sensory impairments may commence earlier in life; however, associations between sensory impairments/problems and activity levels in childhood are not well understood. OBJECTIVE: The objective of this study was to examine associations between hearing and vision problems and objectively measured activity levels in a representative sample of British children...
July 11, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28710666/mediators-of-physical-activity-adherence-results-from-an-action-control-intervention-in-couples
#17
Corina Berli, Gertraud Stadler, Patrick E Shrout, Niall Bolger, Urte Scholz
BACKGROUND: Behavior change interventions targeting self-regulation skills have generally shown promising effects. However, the psychological working mechanisms remain poorly understood. PURPOSE: We examined theory-based mediators of a randomized controlled trial in couples targeting action control (i.e., continuously monitoring and evaluating an ongoing behavior). Self-reported action control was tested as the main mediating mechanism of physical activity adherence, and in addition self-efficacy and received social support from the partner...
July 14, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/28709513/associations-between-physical-and-sedentary-activity-regularity-and-sleep-in-preschoolers-and-kindergartners
#18
Kara M Duraccio, Chad D Jensen
Short sleep duration in childhood has been associated with increased risk for overweight and obesity. Research suggests that physical activity might mediate this association. However, studies examining associations between physical activity and sleep in young children have reported equivocal findings. A possible explanation for these inconsistencies is that past studies have looked at total physical activity rather than examining physical activity regularity. We aimed to explore the associations between physical and sedentary activity regularity (ie, consistent vs intermittent behavior) and sleep in preschoolers and kindergartners...
August 2017: Sleep Health
https://www.readbyqxmd.com/read/28708118/low-energy-turnover-of-physically-inactive-participants-as-a-determinant-of-insufficient-mineral-and-vitamin-intake-in-nhanes
#19
Juliane Heydenreich, Katarina Melzer, Céline Flury, Bengt Kayser
Micronutrient requirements do not scale linearly with physical activity-related energy expenditure (AEE). Inactive persons may have insufficient micronutrient intake because of low energy intake (EI). We extracted data from NHANES 2003-2006 on 4015 adults (53 ± 18 years (mean ± SD), 29 ± 6 kg/m², 48% women) with valid physical activity (accelerometry) and food intake (2 × 24 h-dietary recall) measures. Total energy expenditure (TEE) was estimated by summing the basal metabolic rate (BMR, Harris-Benedict), AEE, and 10% of TEE for the thermic effect of food, to calculate the physical activity levels (PAL = TEE/BMR)...
July 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28708114/one-size-does-not-fit-all-contextualising-family-physical-activity-using-a-write-draw-show-and-tell-approach
#20
Robert J Noonan, Stuart J Fairclough, Zoe R Knowles, Lynne M Boddy
Understanding family physical activity (PA) behaviour is essential for designing effective family-based PA interventions. However, effective approaches to capture the perceptions and "lived experiences" of families are not yet well established. The aims of the study were to: (1) demonstrate how a "write, draw, show and tell" (WDST) methodological approach can be appropriate to family-based PA research, and (2) present two distinct family case studies to provide insights into the habitual PA behaviour and experiences of a nuclear and single-parent family...
July 14, 2017: Children
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