Narelle Eather1, Nicholas Riley2, Andrew Miller2, Veronica Smith3, Ashleigh Poole3, Lisa Vincze2, Philip J Morgan2, David R Lubans2. 1. Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW, Australia; Faculty of Education and Arts, University of Newcastle, Callaghan, NSW, Australia. Electronic address: narelle.eather@newcastle.edu.au. 2. Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW, Australia; Faculty of Education and Arts, University of Newcastle, Callaghan, NSW, Australia. 3. Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW, Australia.
Abstract
OBJECTIVES: The primary aim of this study was to evaluate the preliminary efficacy and feasibility of an 8-week high-intensity interval training program (Uni-HIIT) for young adult students in a university setting. DESIGN: Randomised controlled trial. METHOD: Uni-HIIT was conducted at the University of Newcastle, Australia (February-June, 2017). Participants were university students 18-25yrs (n=53; 20.38±1.88yrs) randomized into theUni HIIT program (n=26) or wait-list control (n=27) condition. Participants were required to attend up to three HIIT sessions/week for 8-weeks which included a variety of aerobic and muscular fitness exercise combinations lasting 8-12minutes (using 30:30sec rest:work intervals). The primary outcome was cardio-respiratory fitness (CRF) (20mSRT), and secondary outcomes included muscular fitness (standing jump, push-ups), body composition (InBody), executive function (Trail Making Test), anxiety levels (State Trait Anxiety Inventory) and perceived stress (Perceived Stress Scale). Linear mixed models were used to analyse outcomes and Cohen's d effect sizes were calculated. Process evaluation measures of recruitment, retention, attendance and satisfaction were conducted. RESULTS: A large significant group-by-time effect resulted for CRF [8.4 shuttles (95% CI(2.9-13.9), P=0.004,d=1.08] and muscular fitness [4.0 repetitions (95% CI(1.2-6.8), P=0.006,d=0.99], and moderate effect size was observed for Trail B [-5.9seconds (95% CI(-11.8-0.1.0), P=0.052, d=0.63]. No significant intervention effects were found for body composition, standing jump, anxiety or perceived stress (P >0.05). High ratings of participant satisfaction (4.73), enjoyment (4.54) and perceived value (4.54) were observed. CONCLUSION: This study demonstrates the efficacy and feasibility of delivering a novel HIIT program in the university setting.
RCT Entities:
OBJECTIVES: The primary aim of this study was to evaluate the preliminary efficacy and feasibility of an 8-week high-intensity interval training program (Uni-HIIT) for young adult students in a university setting. DESIGN: Randomised controlled trial. METHOD: Uni-HIIT was conducted at the University of Newcastle, Australia (February-June, 2017). Participants were university students 18-25yrs (n=53; 20.38±1.88yrs) randomized into the Uni HIIT program (n=26) or wait-list control (n=27) condition. Participants were required to attend up to three HIIT sessions/week for 8-weeks which included a variety of aerobic and muscular fitness exercise combinations lasting 8-12minutes (using 30:30sec rest:work intervals). The primary outcome was cardio-respiratory fitness (CRF) (20mSRT), and secondary outcomes included muscular fitness (standing jump, push-ups), body composition (InBody), executive function (Trail Making Test), anxiety levels (State Trait Anxiety Inventory) and perceived stress (Perceived Stress Scale). Linear mixed models were used to analyse outcomes and Cohen's d effect sizes were calculated. Process evaluation measures of recruitment, retention, attendance and satisfaction were conducted. RESULTS: A large significant group-by-time effect resulted for CRF [8.4 shuttles (95% CI(2.9-13.9), P=0.004,d=1.08] and muscular fitness [4.0 repetitions (95% CI(1.2-6.8), P=0.006,d=0.99], and moderate effect size was observed for Trail B [-5.9seconds (95% CI(-11.8-0.1.0), P=0.052, d=0.63]. No significant intervention effects were found for body composition, standing jump, anxiety or perceived stress (P >0.05). High ratings of participant satisfaction (4.73), enjoyment (4.54) and perceived value (4.54) were observed. CONCLUSION: This study demonstrates the efficacy and feasibility of delivering a novel HIIT program in the university setting.
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Authors: Yao Zhang; Beier Zhang; Liaoyan Gan; Limei Ke; Yingyao Fu; Qian Di; Xindong Ma Journal: Int J Environ Res Public Health Date: 2021-01-03 Impact factor: 3.390