Background: A large majority of primary school pupils fail to achieve 30-min of daily, in-school moderate-to-vigorous physical activity (MVPA). The aim of this study was to investigate MVPA accumulation and subject frequency during academic lesson segments and the broader segmented school day.
Methods: 122 children (42.6% boys; 9.9 ± 0.3 years) from six primary schools in North East England, wore uniaxial accelerometers for eight consecutive days. Subject frequency was assessed by teacher diaries. Multilevel models (children nested within schools) examined significant predictors of MVPA across each school-day segment (lesson one, break, lesson two, lunch, lesson three).
Results: Pupils averaged 18.33 ± 8.34 min of in-school MVPA, and 90.2% failed to achieve the in-school 30-min MVPA threshold. Across all school-day segments, MVPA accumulation was typically influenced at the individual level. Lessons one and two-dominated by maths and English-were less active than lesson three. Break and lunch were the most active segments.
Conclusion: This study breaks new ground, revealing that MVPA accumulation and subject frequency varies greatly during different academic lessons. Morning lessons were dominated by the inactive delivery of maths and English, whereas afternoon lessons involved a greater array of subject delivery that resulted in marginally higher levels of MVPA.
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http://dx.doi.org/10.3390/ijerph18030990 | DOI Listing |
Ann Behav Med
December 2024
Prevention and Community Health | Exercise and Nutrition Sciences, The George Washington University Milken Institute School of Public Health.
Background: This is the first study to examine longitudinal associations between self-selected timing of moderate-to-vigorous physical activity (MVPA) and health outcomes in young adults over 18 months.
Methods: Young adults (N = 434, Mage = 23.9, SDage = 4.
Public Health
December 2024
School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR, China; Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong, Hong Kong SAR, China. Electronic address:
Objectives: Moderate-to-vigorous physical activity (MVPA) is associated with a reduced risk of chronic obstructive pulmonary disease (COPD), but the optimal accumulation patterns are unclear. We aimed to investigate the associations between accelerometer-measured bouted and sporadic MVPA and incident COPD in the UK Biobank.
Study Design: Prospective cohort study.
J Sport Health Sci
October 2024
Division of Cardiovascular Sciences, National Heart Lung Blood Institute, Bethesda, MD 20892, USA.
Background: A shift from self-reports to wearable sensors for global physical activity (PA) surveillance has been recommended. The conventional use of a generic cut-point to assess moderate-to-vigorous PA (MVPA) is problematic as these cut-points are often derived from non-representative samples under non-ecological laboratory conditions. This study aimed to develop age- and sex-specific (age-sex) cut-points for MVPA based on population-standardized values as a feasible approach to assess the adherence to PA guidelines and to investigate its associations with all-cause mortality.
View Article and Find Full Text PDFProg Cardiovasc Dis
December 2024
Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, 46010, Valencia, Spain; National Research Centre for the Working Environment, Copenhagen, Denmark; Department of Physical Medicine and Nursing, University of Zaragoza, Zaragoza, Spain.
Objective: To investigate the prospective dose-response association of accelerometer-measured moderate-to-vigorous physical activity (PA;MVPA) with all-cause mortality and cardiovascular disease (CVD) incidence.
Methods: This prospective cohort of 76,074 participants from the UK Biobank study contained one week of individual accelerometer-based PA data collected between June 1, 2013 and December 23, 2015. Using restricted cubic splines to allow for potential non-linearity, we examined dose-response associations of MVPA with all-cause mortality and incident CVD, respectively.
J Sports Sci
September 2024
Division of Sport and Exercise, School of Health and Life Sciences, University of the West of Scotland, Scotland, UK.
Step counts can be estimated from wrist-worn accelerometers through the Verisense Step Count Algorithm. No study has assessed agreement between stepping metrics from ActiGraph accelerometers during free-living. Thirty-four participants (age: 22.
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