The examination of the heart rate regulation in healthy people with the stochastic tests methods

• Main Authors: Aksana Kotava, Grażyna Ejsmont-Pietrow, Jolanta Jaworska, Joanna Piotrkowicz, Tomasz Halski, Anna Brzęk
• Format: Article
• Language: English
• Published: Opole Medical School 2013-09-01
• Series: PULS UCZELNI
• Subjects: sportowcy;tętno;deterministyczne i stochastyczne obciążenia
• Online Access: http://journals.indexcopernicus.com/fulltxt.php?ICID=1071191

Background: The determination of relations between the complexity of the cardiovascular system regulation and the com-plexity of the test signal is not a fully solved problem. The elimination of this uncertainty can be done using stochastic test signals and power value which changes are random. Aim of research: To compare the reaction of cardio - vascular system during the deterministic and random loads. Material and methods:In the research,h two types of physical loads were used: the traditional bicycle ergometer test with stepwise increasing load and 3 minutes steps duration and test with a stochastic pseudonormal load values distribution and 30 seconds steps duration. Results: It is established that the average load required to achieve a submaximal heart rate was 509 W for the traditional and 445 W for the stochastic test, respectively. The time of obtained submaximal heart rate during stepwise-increasing load was 7 min., whereas during the stochastic load significantly less - 5min. The results show that the limit of efficiency of the cardio-vascular system during stochastic load test is achieved faster than during deterministic load test. Conclusions: Stress tests using random loads can be useful for the athletes training. Supposedly, the use of stochastic loads must be effective during rehabilitation of patients with cardiovascular diseases, for instance the increasing of the physical load time in each stage can be used in order to reach steady state. Also, the proposed study confirms the perspectives of non-linear and stochastic methods in the diagnosis of the cardiovascular system diseases.