Email this article Relationship Between Working Capacity and Heart Rate Dynamics During Work and Recovery in Maximal Incremental Test
- Authors: Spirin T.S.1, Kozlov A.V.2, Molokeev M.S.1
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Affiliations:
- Siberian Federal University (SibFU)
- Center for Sports Innovative Technologies and Training of National Teams of Moskomsport
- Issue: Vol 51, No 5 (2025)
- Pages: 108–120
- Section: Articles
- URL: https://journal-vniispk.ru/0131-1646/article/view/375853
- DOI: https://doi.org/10.7868/S3034615025050104
- ID: 375853
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Abstract
The purpose of the work is to determine the interrelationships of parameters approximation equations of heart rate (HR) dynamics during work and recovery with various performance characteristics in the maximal incremental test. The study analyzed 87 HR dynamics of subjects who performed the maximal incremental running test with a second-by-second recording of HR dynamics during the test and recovery. The HR approximation was performed using the least squares method. For each case, the maximal working time in test was recorded and 6 parameters of the approximation equations were determined (R2 = 0.986 ± 0.010). A quantitative indicator for estimating the curvature of the HR dynamics in maximal incremental test is proposed. Identified two variants of acute adaptation to physical work with increasing power, which are reflected in the form of the working HR dynamics. Interrelationships of the parameters of the equations for approximating the dynamics of HR during work and recovery with the HR cost of work, the intensity of physiological costs, the relative contribution of physiological costs incurred due to anaerobic energy supply mechanisms and the maximal working time in the maximal incremental test are shown. An analogy is noted between exponential dependencies describing the HR dynamics and transition processes in electrical RC circuits.
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About the authors
T. S. Spirin
Siberian Federal University (SibFU)
Email: TSpirin@sfu-kras.ru
ORCID iD: 0000-0001-6904-9767
Head of Laboratory Krasnoyarsk, Russian Federation
A. V. Kozlov
Center for Sports Innovative Technologies and Training of National Teams of Moskomsport
Email: 89165363085a@mail.ru
ORCID iD: 0009-0007-2286-9451
Ph. D. (Biology), Chief specialist Moscow, Russian Federation
M. S. Molokeev
Siberian Federal University (SibFU)
Email: msmolokeev@mail.ru
ORCID iD: 0000-0002-8297-0945
Ph.D. in Physical and Mathematical Sciences, Associate professor Krasnoyarsk, Russian Federation
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