School-based physical activity intervention for older adolescents: rationale and study protocol for the Burn 2 Learn cluster randomised controlled trial

Leahy, Angus A and Eather, Narelle and Smith, Jordan J and Hillman, Charles and Morgan, Philip J and Nilsson, Michael and Lonsdale, Chris and Plotnikoff, Ronald C and Noetel, Michael and Holliday, Elizabeth and Shigeta, Tatsuya T and Costigan, Sarah A and Walker, Frederick R and Young, Sarah and Valkenborghs, Sarah R and Gyawali, Prajwal ORCID: https://orcid.org/0000-0003-0975-5576 and Harris, Nigel and Kennedy, Sarah G and Lubans, David R (2019) School-based physical activity intervention for older adolescents: rationale and study protocol for the Burn 2 Learn cluster randomised controlled trial. BMJ Open, 9 (5):e026029.

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Abstract

Introduction This trial aims to investigate the impact of a school-based physical activity programme, involving high-intensity interval training (HIIT), on the physical, mental and cognitive health of senior school students. Methods and analysis The Burn 2 Learn (B2L) intervention will be evaluated using a two-arm parallel group cluster randomised controlled trial with allocation occurring at the school level (to treatment or wait-list control). Schools will be recruited in two cohorts from New South Wales, Australia. The trial will aim to recruit ∼720 senior school students (aged 16-18 years) from 20 secondary schools (ie, 10 schools per cohort). A range of implementation strategies will be provided to teachers (eg, training, equipment and support) to facilitate the delivery of HIIT sessions during scheduled classes. In phase I and II (3 months each), teachers will facilitate the delivery of at least two HIIT sessions/week during lesson-time. In phase III (6 months), students will be encouraged to complete sessions outside of lesson-time (teachers may continue to facilitate the delivery of B2L sessions during lesson-time). Study outcomes will be assessed at baseline, 6 months (primary end point) and 12 months. Cardiorespiratory fitness (shuttle run test) is the primary outcome. Secondary outcomes include: vigorous physical activity, muscular fitness, cognition and mental health. A subsample of students will (i) provide hair samples to determine their accumulated exposure to stressful events and (ii) undergo multimodal MRI to examine brain structure and function. A process evaluation will be conducted (ie, recruitment, retention, attendance and programme satisfaction).


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Health and Wellbeing (1 Jan 2015 -)
Faculty/School / Institute/Centre: Current - Faculty of Health, Engineering and Sciences - School of Health and Wellbeing (1 Jan 2015 -)
Date Deposited: 25 Sep 2020 02:22
Last Modified: 30 Sep 2020 01:12
Uncontrolled Keywords: Intensity interval exercise; alters brain activation; health-related fitness; body-mass index; hair cortisol; cardiorespiratory fitness; aerobic fitness; public-health; children; overweight
Fields of Research (2008): 11 Medical and Health Sciences > 1106 Human Movement and Sports Science > 110602 Exercise Physiology
11 Medical and Health Sciences > 1117 Public Health and Health Services > 111712 Health Promotion
Fields of Research (2020): 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420702 Exercise physiology
42 HEALTH SCIENCES > 4206 Public health > 420603 Health promotion
Identification Number or DOI: https://doi.org/10.1136/bmjopen-2018-026029
URI: http://eprints.usq.edu.au/id/eprint/39660

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