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dc.contributor.author
Rebsamen, Stefanie
dc.contributor.author
Knols, Ruud H.
dc.contributor.author
Pfister, Pierrette B.
dc.contributor.author
de Bruin, Eling
dc.date.accessioned
2019-08-19T09:39:26Z
dc.date.available
2019-08-17T20:29:25Z
dc.date.available
2019-08-19T09:39:26Z
dc.date.issued
2019-08
dc.identifier.issn
1664-042X
dc.identifier.other
10.3389/fphys.2019.01019
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/359134
dc.identifier.doi
10.3929/ethz-b-000359134
dc.description.abstract
Purpose: To investigate the feasibility of an exergame-driven high-intensity interval training (HIIT) and its effects on cardiovascular fitness in untrained community dwelling older adults. Methods: Twelve older participants [10 women, age 72.3 (SD: 4.44) years] performed a high-intensity interval exergame intervention three times a week for 4 weeks. Data was acquired during two baseline and one final measurement. Feasibility outcomes included attrition, adherence, acceptability [Technology Acceptance Model Questionnaire (TAM)], usability [System Usability Scale (SUS)], and enjoyment of exergaming. Furthermore, participants’ physical activity levels pre and post intervention were compared to physical activity levels for similar types of training. The secondary outcome was exercise capacity [heart rate at rest (HRrest), heart rate variability (HRV), maximum heart rate (HRmax), and maximum workload (W, in watt)] evaluated through maximal exercise testing. Results: Eleven participants completed the study (8% attrition), without any adverse events. Adherence to the HIIT intervention was 91% and participants showed high acceptance of the intervention with TAM scores between 5.8 and 6.7 points. User satisfaction was rated as excellent (SUS total score: 93.5 of 100) and the overall enjoyment of exergaming scored 4.5 of 5 possible points. Total exercise time ranged from 19 to 35 min with a mean of 30.8 (SD: 3.6) min. Actual high-intensity exercise time showed consistency with the target exercise time in 98% percent of trainings. Eighty-six percent of high-intensity intervals met the targeted intensity range (>70–90% of HRmax). Thirty-six percent of the recovery periods were completed with a heart rate above the target range of 50–70% of HRmax. Maximum workload (W) during the incremental exercise test post-training increased significantly compared to the baseline measurements one and two (p = 0.032, effect size r = 0.77 and p = 0.012, r = 0.87). Conclusion: High-intensity interval training through exergaming is feasible, safe, and shows high usability and acceptance in community dwelling older people. Exergame-driven HIIT had a significant effect on maximum power output on an incremental exercise test. A more extensive exergame intervention period, higher work to recovery ratios as well as a higher-intensity activity should be considered in future projects.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Frontiers Media
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
aerobic exercise
en_US
dc.subject
exergaming
en_US
dc.subject
feasibility
en_US
dc.subject
high-intensity interval training
en_US
dc.subject
older adults
en_US
dc.subject
virtual reality
en_US
dc.title
Exergame-Driven High-Intensity Interval Training in Untrained Community Dwelling Older Adults: A Formative One Group Quasi-Experimental Feasibility Trial
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2019-08-07
ethz.journal.title
Frontiers in Physiology
ethz.journal.volume
10
en_US
ethz.journal.abbreviated
Front Physiol
ethz.pages.start
1019
en_US
ethz.size
14 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.publication.place
Lausanne
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02070 - Dep. Gesundheitswiss. und Technologie / Dep. of Health Sciences and Technology::02535 - Institut für Bewegungswiss. und Sport / Institut of Human Movement Sc. and Sport::09560 - De Bock, Katrien / De Bock, Katrien::08758 - Trainingslehre / E. de Bruin
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02070 - Dep. Gesundheitswiss. und Technologie / Dep. of Health Sciences and Technology::02535 - Institut für Bewegungswiss. und Sport / Institut of Human Movement Sc. and Sport::09560 - De Bock, Katrien / De Bock, Katrien::08758 - Trainingslehre / E. de Bruin
ethz.date.deposited
2019-08-17T20:29:28Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2019-08-19T09:39:37Z
ethz.rosetta.lastUpdated
2024-02-02T08:44:08Z
ethz.rosetta.versionExported
true
ethz.COinS
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