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DOI: 10.1055/s-2005-865717
© Georg Thieme Verlag KG Stuttgart · New York
Maximal Constant Heart Rate - A Heart Rate Based Method to Estimate Maximal Lactate Steady State in Running
Publication History
Accepted after revision: March 10, 2005
Publication Date:
25 July 2005 (online)
![](https://www.thieme-connect.de/media/sportsmed/200605/lookinside/thumbnails/10.1055-s-2005-865717-1.jpg)
Abstract
The aim of the present study was to investigate the accuracy of the maximal constant heart rate method for predicting anaerobic threshold (AnT) in running. This method only requires a common heart rate (HR) monitor and is based on the identification of the maximal constant HR maintainable for 30 min (HRMC). HRMC, 4-mmol threshold, and maximal lactate steady state (MLSS) were determined in 31 probands. 17 probands underwent an additional MLSS retest within 2 weeks. The correlation between HR at MLSS and at MLSS retest was very close (r = 0.807; SEE = 5.25 beats · min-1; p < 0.001). So were the correlations between HR at 4-mmol threshold and MLSS (r = 0.844; SEE = 6.43 beats · min-1; p < 0.001) and between HRMC and HR at MLSS (r = 0.820; SEE = 6.73 beats · min-1; p < 0.001). Mean velocities at maximum constant HR trials and MLSS (r = 0.895; SEE = 0.185 m · s-1; p < 0.001) as well as 4-mmol threshold and MLSS (r = 0.899; SEE = 0.186 m · s-1; p < 0.001) were highly correlated. In conclusion, data presented in this study confirm that the determination of HRMC is a manageable method giving a highly accurate estimation of both HR and velocity at MLSS in running.
Key words
Anaerobic threshold - maximal lactate steady state - maximal constant heart rate
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Dr. Christian Vobejda
Sportmedizin Universität Bielefeld
Universitätsstraße 25
33615 Bielefeld
Germany
Phone: + 495211066108
Fax: + 49 52 11 06 61 29
Email: christian.vobejda@uni-bielefeld.de