Public defence of doctoral thesis | Physical activity, physical fitness and academic performance among adolescents: Intervention effects from the School in Motion study – a cluster randomized controlled trial | Runar Barstad Solberg, Norwegian School of Sport Sciences, May 20, 2022

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On Friday, May 20, 2022, at 10:15 CET, Runar Barstad Solberg will present and defend his dissertation Physical activity, physical fitness and academic performance among adolescents: Intervention effects from the School in Motion study – a cluster randomized controlled trial at the Norwegian School of Sport Sciences (NIH): in situ (Aud. Innsikt, NIH) and live-streamed (see below).

Emerging evidence suggests a favourable relationship between physical activity, aerobic fitness and academic performance. Recent data shows that physical activity levels decrease through adolescence, whilst only 50% of Norwegian 15-year-olds are sufficiently active meeting physical activity guidelines of ≥ 60 minutes in moderate-to-vigorous intensity physical activity (MVPA) per day.

Accordingly, there is a need to develop interventions that can effectively change behaviour, leading to increased physical activity, physical fitness and academic performance among adolescents. 

This dissertation is based on a school-based, physical activity cluster randomized controlled trial (RCT) titled School in Motion (ScIM). This dissertation investigates the intervention effects of ScIM on adolescents’ physical activity level, physical fitness and academic performance. ScIM was a nine-month cluster RCT.

In total, 30 Norwegian secondary schools were randomized to one of three study arms;

      • the physically active learning (PAL) (n = 10);
      • the Don’t worry – Be happy (DWBH) intervention (n = 10);
      • or control (n = 10).

The PAL intervention included 30 min physically active learning, 30 min physical activity and a 60 min physical education (PE) lesson per week. The DWBH intervention included a 60 min physical activity lesson and a 60 min PE lesson per week. Both components in the DWBH intervention was tailored to promote friendships and wellbeing. The control group continued as usual, including the standard amount of mandatory PE.

The PAL and DWBH interventions were designed to engage the adolescents in 120 min of physical activity per week in addition to recess and mandatory physical education (PE) lessons. Parental consent was obtained from 2,084 adolescent students (76%).  

The results from this thesis has shown that implementing two hours of extra physical activity among adolescents have several positive effects. The PAL intervention is effective in curbing the decline in physical activity observed throughout adolescents, whilst also increasing the adolescent’s aerobic fitness. Furthermore, both the PAL and DWBH interventions have proven to be feasible methods to increase academic performance among adolescents. As aerobic fitness mediated the intervention effect on academic performance in the PAL intervention, physical activity of an intensity that increases aerobic fitness is one strategy to improve academic performance among adolescents. 

Review Committee

Supervisors

Program

10:15–11:00 Trial lecture
: “Discuss key issues and future directions for the design and implementation of whole-school approaches to physical activity”

13:00–16:00 Public defence: Physical activity, physical fitness and academic performance among adolescents. Intervention effects from the School in Motion study – a cluster randomized controlled trial

General Information

The defence is open to the public, and will also be streamed on YouTube (direct link will be available when the event starts)


 

 

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