Rheological and Biochemical Properties of Blood in Runners: A Preliminary Report

Author:

Teległów Aneta1ORCID,Mirek Wacław2,Sudoł Grzegorz2,Podsiadło Szymon3,Rembiasz Konrad4,Ptaszek Bartłomiej5ORCID

Affiliation:

1. Institute of Basic Sciences, University of Physical Education in Krakow, 31-571 Krakow, Poland

2. Institute of Sports Science, University of Physical Education in Krakow, 31-571 Krakow, Poland

3. Institute of Clinical Rehabilitation, University of Physical Education in Krakow, 31-571 Krakow, Poland

4. Indoor Swimming Pool Complex, University of Physical Education in Krakow, 31-571 Krakow, Poland

5. Institute of Applied Sciences, University of Physical Education in Krakow, 31-571 Krakow, Poland

Abstract

Purpose: Physical activity induces numerous modifications in the morphological, rheological, and biochemical properties of blood. The purpose of this study was to evaluate changes in blood rheological and biochemical indicators among runners. Also, we assessed how the rheological and biochemical properties of blood in people who practised running characterised the range and direction of exercise modifications and allowed for the diagnosis of transient adaptive effects. Methods: This study included 12 athletes who regularly trained in middle- and long-distance running (6–8 times a week) and presented a high sports level (national and international class). The athletes performed a 30 min warm-up consisting of 15 min of jogging and exercises. After a 10 min rest, they completed a 3 km run with submaximal effort. Blood samples were collected at baseline and after the effort. Results: No statistically significant changes were revealed in erythrocyte, leukocyte, platelet, iron, ferritin, transferrin, erythropoietin, or C-reactive protein concentrations in the examined runners. The same applied to the elongation index at a shear stress within the range of 0.30–60.00 Pa, amplitude and total extent of aggregation, aggregation half-life, and aggregation index. A significant increase (within standard limits) was only observed in fibrinogen concentration after running. Conclusions: The lack of post-exercise changes in blood rheological and biochemical indicators in the investigated runners points at an efficient haemorheological system. This, in turn, reflects well-executed training and remarkably well-trained adaptive systems responsible for regeneration.

Funder

Minister of Science under the name “Regional Excellence Initiative”

Publisher

MDPI AG

Reference24 articles.

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4. Antonova, N., and Ivanov, I. (2023, January 19–21). Methods for assessing microcirculatory, hemorheological changes and oxygen transport in athletes of various sports disciplines. Proceedings of the XXIV International Scientific Conference ‘FIS COMMUNICATIONS 2023 in Physical Education, Sport and Recreation’, Niš, Serbia.

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