Int J Sports Med 2014; 35(02): 135-138
DOI: 10.1055/s-0033-1349091
Training & Testing
© Georg Thieme Verlag KG Stuttgart · New York

Variability in Heart Rate Recovery Measurements Over 1 Year in Healthy, Middle-Aged Adults

M. G. Mellis
1  Carnegie Faculty of Sport and Education, Leeds Metropolitan University, Leeds, United Kingdom
L. Ingle
2  Department of Sport, Health & Exercise Science, University of Hull, United Kingdom
S. Carroll
1  Carnegie Faculty of Sport and Education, Leeds Metropolitan University, Leeds, United Kingdom
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accepted after revision 03. Mai 2013

18. Juli 2013 (online)


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.