Multi-component physical activity interventions in the UK must consider determinants of activity to increase effectiveness

Mark A. Faghy, Kirsty E. Armstrong-Booth, Vicki Staples, Michael J. Duncan, Clare M.P. Roscoe

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    3 Citations (Scopus)
    31 Downloads (Pure)


    Interventions to increase physical activity in children have adopted broad approaches and achieved varying success. There is a need to adopt approaches underpinned with a theoretical basis. Accordingly, the aim here was to implement and evaluate a 12-week intervention designed using the concepts of the COM-B model to determine the effect this has on physical activity levels. One hundred and forty-seven school-age children (mean age 8.9 ± 1.3 years) took part in a 12-week program delivered in a school setting. Topics included physical activity, healthy eating, sleep quality and reducing screen time/sedentary activities when not in school. A sample of participants wore a wrist-worn accelerometer for seven days pre-and post-intervention (N = 11). The physical activity frequency was unchanged (2.9 ± 1.0 AU) when compared with post-intervention values (3.1 ± 0.8 AU, mean increase 6.8 ± 3.7%, p > 0.05). Changes were observed in the daily consumption of fruit and vegetables (pre-intervention 44.6% vs. post-intervention 60.2%, p < 0.05). Sedentary time, light activity, moderate activity and vigorous activity were unchanged post-intervention (p > 0.05). There is a need to adopt a broader approach that incorporates a theoretical basis and considers the complex ways by which physical activity behaviours are influenced.

    Original languageEnglish
    Article number56
    JournalJournal of Functional Morphology and Kinesiology
    Issue number3
    Publication statusPublished - 23 Jun 2021

    Bibliographical note

    Publisher Copyright:
    © 2021 by the authors. Licensee MDPI, Basel, Switzerland.


    • Behaviour
    • Physical activity
    • Sedentary behaviour
    • Theoretical approaches

    ASJC Scopus subject areas

    • Anatomy
    • Rheumatology
    • Histology
    • Orthopedics and Sports Medicine
    • Physical Therapy, Sports Therapy and Rehabilitation


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