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Variability in heart rate recovery measurements over 1 year in healthy, middle-aged adults

Mellis, M. G.; Ingle, L.; Carroll, S.

Authors

M. G. Mellis



Abstract

This study assessed the longer-term (12-month) variability in post-exercise heart rate recovery following a submaximal exercise test. Longitudinal data was analysed for 97 healthy middle-aged adults (74 male, 23 female) from 2 occasions, 12 months apart. Participants were retrospectively selected if they had stable physical activity habits, submaximal treadmill fitness and anthropometric measurements between the 2 assessment visits. A submaximal Bruce treadmill test was performed to at least 85% age-predicted maximum heart rate. Absolute heart rate and Δ heart rate recovery (change from peak exercise heart rate) were recorded for 1 and 2 min post-exercise in an immediate supine position. Heart rate recovery at both time-points was shown to be reliable with intra-class correlation coefficient values≥0.714. Absolute heart rate 1-min post-exercise showed the strongest agreement between repeat tests (r=0.867, P < 0.001). Lower coefficient of variation (≤ 10.2%) and narrower limits of agreement were found for actual heart rate values rather than Δ heart rate recovery, and for 1-min rather than 2-min post-exercise recovery time points. Log-transformed values generated better variability with acceptable coefficient of variation for all measures (2.2-10%). Overall, 1 min post-exercise heart rate recovery data had least variability over the 12-month period in apparently healthy middle-aged adults. © Georg Thieme Verlag KG Stuttgart · New York.

Citation

Mellis, M. G., Ingle, L., & Carroll, S. (2014). Variability in heart rate recovery measurements over 1 year in healthy, middle-aged adults. International journal of sports medicine, 35(2), 135-138. https://doi.org/10.1055/s-0033-1349091

Journal Article Type Article
Acceptance Date Jan 8, 2014
Publication Date Feb 1, 2014
Deposit Date Oct 9, 2020
Publicly Available Date
Journal International Journal of Sports Medicine
Print ISSN 0172-4622
Electronic ISSN 1439-3964
Publisher Thieme Gruppe
Peer Reviewed Peer Reviewed
Volume 35
Issue 2
Pages 135-138
DOI https://doi.org/10.1055/s-0033-1349091
Keywords Variability; Intra-class correlation ­coefficients; Limits of agreement; Coefficient of variation
Public URL https://hull-repository.worktribe.com/output/527120
Publisher URL https://www.thieme-connect.de/products/ejournals/abstract/10.1055/s-0033-1349091
Related Public URLs http://eprints.leedsbeckett.ac.uk/46/