Exercise prescription using resting heart rate plus 20 or perceived exertion in cardiac rehabilitation

Journal of Cardiopulmonary Rehabilitation
Kee-Chan JooMitchell H Whaley

Abstract

For patients starting a cardiac rehabilitation program, exercise intensity often is set 20 beats per minute above the standing resting heart rate (RHR+20) or in a range of 11 to 13 on Borg's Scale for Rating of Perceived Exertion (RPE 11-13). The purpose of this study was to determine the actual exercise intensity, expressed as a percentage of peak oxygen uptake reserve (%VO2R) using these techniques. For this study, 11 new referrals to a phase 2 cardiac rehabilitation program voluntarily underwent a symptom-limited exercise test and a field test that consisted of self-paced over-the-ground walking for 10 minutes at levels corresponding to RPE 11-13 and RHR+20. During both tests, gas exchange data were obtained via the Cosmed K4b and heart rate via the Polar monitor. The mean %VO2R at RHR+20 (41.8 +/- 12.3%) and RPE 11-13 (71 +/- 15.3% mL.kg.min) were significantly different. Exercise at RHR+20 resulted in 4 of the 11 patients (36%) exercising at less than 40% VO2R, 6 of the patients (55%) exercising at 40% to 60% VO2R, and 1 of the patients (9%) exercising at more than 60% VO2R. Exercise at RPE 11-13 resulted in 1 of the 11 patients (9%) exercising at less than 40% VO2R, 1 of the patients at exercising at 40% to 60% VO2R (9%),...Continue Reading

References

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Citations

May 23, 2012·European Journal of Applied Physiology·Johannes ScherrMartin Halle
Jul 22, 2011·Journal of Sports Sciences·Timothy J Quinn, Benjamin A Coons
Nov 25, 2014·Physical & Occupational Therapy in Geriatrics·Helen H HostEric J Lenze
Feb 22, 2016·The Canadian Journal of Cardiology·Jennifer L Reed, Andrew L Pipe
Jul 3, 2013·Clinical Physiology and Functional Imaging·E M Nieuwenburg-van TilborgS de Groot
Mar 30, 2017·Revista da Associação Médica Brasileira·Lilian Sarli TamuraSérgio Rocha Piedade
May 18, 2010·European Journal of Cardiovascular Prevention and Rehabilitation : Official Journal of the European Society of Cardiology, Working Groups on Epidemiology & Prevention and Cardiac Rehabilitation and Exercise Physiology·Vitor Oliveira Carvalho, Alessandro Mezzani
May 29, 2014·The Journal of Cardiovascular Nursing·Lonnie A SebastianMark Williams
Jan 19, 2016·American Journal of Lifestyle Medicine·Peter H BrubakerKee Chan Joo
May 1, 2020·Journal of Cardiovascular Development and Disease·Megan MytingerMicah Zuhl
Oct 20, 2007·Proceedings·Myrvin H Ellestad, Greg Jones

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