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Applicability of a supramaximal high-intensity interval training program for older adults previously not engaged in regular exercise: analyses of secondary outcomes from the Umeå HIT Study
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.ORCID iD: 0000-0002-3212-4708
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
Umeå University, Faculty of Medicine, Department of Diagnostics and Intervention.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
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2024 (English)In: Psychology of Sport And Exercise, ISSN 1469-0292, E-ISSN 1878-5476, Vol. 73, article id 102647Article in journal (Refereed) Published
Abstract [en]

This analysis of secondary outcomes investigated the applicability of supramaximal high-intensity interval training (HIT) with individually prescribed external intensity performed on stationary bicycles. Sixty-eight participants with a median (min; max) age of 69 (66; 79), at the time not engaged in regular exercise were randomized to 25 twice-weekly sessions of supramaximal HIT (20-min session with 10 × 6-s intervals) or moderate-intensity training (MIT, 40-min session with 3 × 8-min intervals). The primary aim was outcomes on applicability regarding; adherence to prescribed external interval intensity, participant reported positive and negative events, ratings of perceived exertion (RPE 6–20), and affective state (Feeling Scale, FS -5–5). A secondary aim was to investigate change in exercise-related self-efficacy (Exercise Self-Efficacy Scale) and motivation (Behavioural Regulations in Exercise Questionnaire-2). Total adherence to the prescribed external interval intensity was [median (min; max)] 89 % (56; 100 %) in supramaximal HIT, and 100 % (95; 100 %) in MIT. The supramaximal HIT group reported 60 % of the positive (112 of 186) and 36 % of the negative (52 of 146) events. At the end of the training period, the median (min; max) session RPE was 15 (12; 17) for supramaximal HIT and 14 (9; 15) for MIT. As for FS, the median last within-session rating was 3 (−1; 5) for supramaximal HIT and 3 (1; 5) for MIT. Exercise-related motivation increased (mean difference in Relative Autonomy Index score = 1.54, 95 % CI [0.69; 2.40]), while self-efficacy did not change (mean difference = 0.55, 95 % CI [-0.75; 1.82]), regardless of group. This study provide support for supramaximal HIT in supervised group settings for older adults.

Place, publisher, year, edition, pages
Elsevier, 2024. Vol. 73, article id 102647
Keywords [en]
Feasibility, HIIT, Randomized controlled trial, SIT, Sprint interval training
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:umu:diva-223607DOI: 10.1016/j.psychsport.2024.102647PubMedID: 38604572Scopus ID: 2-s2.0-85190305065OAI: oai:DiVA.org:umu-223607DiVA, id: diva2:1855527
Funder
Swedish Research Council, 2017–00912Forte, Swedish Research Council for Health, Working Life and Welfare, 2020–00159The Kamprad Family FoundationThe Dementia Association - The National Association for the Rights of the DementedFoundation for the Memory of Ragnhild and Einar LundströmThe Kempe FoundationsAvailable from: 2024-05-02 Created: 2024-05-02 Last updated: 2024-07-02Bibliographically approved

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Frykholm, ErikSimonsson, EmmaLevik Sandström, SofiHedlund, MattiasHolmberg, HenrikJohansson, BengtLindelöf, NinaBoraxbekk, Carl-JohanRosendahl, Erik

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Frykholm, ErikSimonsson, EmmaLevik Sandström, SofiHedlund, MattiasHolmberg, HenrikJohansson, BengtLindelöf, NinaBoraxbekk, Carl-JohanRosendahl, Erik
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Department of Community Medicine and RehabilitationDepartment of Diagnostics and InterventionDepartment of Epidemiology and Global HealthDepartment of Surgical and Perioperative Sciences
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Psychology of Sport And Exercise
Sport and Fitness Sciences

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