Richard S. Metcalfe
Time-efficient and computer-guided sprint interval exercise training for improving health in the workplace: A randomised mixed-methods feasibility study in office-based employees
Metcalfe, Richard S.; Atef, Hady; Mackintosh, Kelly; McNarry, Melitta; Ryde, Gemma; Hill, Denise M.; Vollaard, Niels B.J.
Authors
Hady Balabel h.a.balabel@keele.ac.uk
Kelly Mackintosh
Melitta McNarry
Gemma Ryde
Denise M. Hill
Niels B.J. Vollaard
Contributors
R.S. Metcalfe
Other
H. Atef
Other
K. MacKintosh
Other
M. McNarry
Other
G. Ryde
Other
D.M. Hill
Other
N.B.J. Vollaard
Other
Abstract
Background
The efficacy of high-intensity interval training (HIT) as a time-efficient exercise strategy for beneficially modifying risk factors for cardiovascular disease has repeatedly been demonstrated in controlled laboratory settings. However, the effectiveness of HIT in an unsupervised workplace setting has not been investigated. The objective of this study was to use mixed methods to investigate the feasibility, acceptability and effectiveness of a short-duration, high-intensity exercise intervention (REHIT) when applied unsupervised in a workplace setting.
Methods
Twenty-five office-workers (mean ± SD age: 47 ± 9 y, BMI: 27.5 ± 4.4 kg·m− 2, V̇O2max: 28 ± 7 mL·kg− 1·min− 1) completed a 6-week REHIT intervention unsupervised in their workplace (n = 13, 6 men), or acted as a no-intervention control (n = 12, 6 men). The intervention consisted of 2 sessions/week of low-intensity (~ 25 W) cycling interspersed with 2 ‘all-out’ sprints, increasing in duration from 10 to 20 s per sprint over the 6 weeks (total time-commitment: 8:40 min per session). V̇O2max was assessed pre- and post-training, whilst questionnaire-based measures of exercise enjoyment, self-efficacy, and acceptability were completed post-training. Eight participants also completed post-intervention semi-structured interviews.
Results
V̇O2max significantly improved in the exercise group (2.25 ± 0.75 L·min− 1 vs. 2.42 ± 0.82 L·min− 1; + 7.4%) compared to the control group (2.22 ± 0.72 L·min− 1 vs. 2.17 ± 0.74 L·min− 1; − 2.3%; time*intervention interaction effect: p < 0.01). Participants considered the REHIT intervention acceptable and enjoyable (PACES: 89 ± 17 out of 119) and were confident in their ability to continue to perform REHIT (7.8 ± 1.2 out of 9). Qualitative data revealed that REHIT offered a time-efficient opportunity to exercise, that was perceived as achievable, and which encouraged highly valued post-exercise outcomes (e.g. progress towards health/fitness benefits).
Conclusions
REHIT could be implemented as a feasible, effective and acceptable exercise intervention in a workplace setting, with a total time-commitment of < 20 min/week. Consideration of certain psycho-social factors and behaviour-change techniques may ensure adherence to the REHIT programme in the long term.
Citation
Metcalfe, R. S., Atef, H., Mackintosh, K., McNarry, M., Ryde, G., Hill, D. M., & Vollaard, N. B. (2020). Time-efficient and computer-guided sprint interval exercise training for improving health in the workplace: A randomised mixed-methods feasibility study in office-based employees. BMC Public Health, 20, Article 313. https://doi.org/10.1186/s12889-020-8444-z
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 2, 2020 |
Online Publication Date | Mar 12, 2020 |
Publication Date | 2020 |
Deposit Date | Apr 19, 2024 |
Journal | BMC Public Health |
Publisher | Springer Verlag |
Peer Reviewed | Peer Reviewed |
Volume | 20 |
Article Number | 313 |
DOI | https://doi.org/10.1186/s12889-020-8444-z |
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