Acute hemorheological responses to an incremental shuttle-run test at -10 °C versus 18 °C in young healthy men.
6 affiliations
- 1Department of Health Promotion, Faculty of Motor Rehabilitation, University of Physical Culture, Krakow, Poland.
- 2Indoor Swimming Pool Complex, University of Physical Culture, Krakow, Poland.
- 3Laboratory for Climate Technology Research and Heavy Duty Machines, Faculty of Mechanical Engineering, Cracow University of Technology, Krakow, Poland.
- 4Faculty of Motor Rehabilitation, University of Physical Culture, Krakow, Poland.
- 5Department of Rehabilitation in Traumatology, Faculty of Motor Rehabilitation, University of Physical Culture, Krakow, Poland.
- 6Institute of Clinical Rehabilitation, Faculty of Motor Rehabilitation, University of Physical Culture, Krakow, Poland.
Abstract
Background
The presented study concerns exercise physiology under conditions of effect of single sprint in air temperature of -10 °C on selected blood hemorheological indicators (fibrinogen, blood plasma viscosity) in healthy males. Important to know the differences in hemorheological indicators on physical exercise at low temperatures compared to those obtained at normal temperatures cardiovascular risk assessment.Methods
The study was experimental in nature and assumed a comparison of the body response to exercise performed at reduced (-10 °C) and neutral (18 °C) temperatures. It involved 30 healthy males, students of physiotherapy at the University of Physical Culture in Krakow, Poland. The enrolled individuals were divided into 2 groups: group 1 (n = 15) ran in a thermal climate chamber at an air temperature of -10 °C, group 2 (n = 15) ran in the fresh air at a neutral air temperature of 18 °C.Results
Significant changes were observed in the platelet count in both the control group and the experimental group. No effect of the experimental factor, i.e. cold, was noted for the following indicators: fibrinogen, blood plasma viscosity, platelet indicators.Conclusions
Prevailing temperature conditions during single sprint had no substantial influence on changes in the analyzed blood parameters. The main finding of the study is that short-term, maximal single sprint in very low temperatures (-10 °C) does not induce different or more pronounced hemorheological changes than the same effort performed under thermoneutral conditions (18 °C) in young, healthy males. The results suggest that a short, intense workout in temperatures of -10 °C, when wearing appropriate clothing (thermal base layers), does not lead to dangerous disturbances in blood flow.
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BibTeX
@article{teleglow2026acute,
title = {{Acute hemorheological responses to an incremental shuttle-run test at -10 °C versus 18 °C in young healthy men.}},
author = {Aneta Teległów and Konrad Rembiasz and Janusz Pobędza and Łukasz Cebula and Zygmunt Dziechciowski and Andrzej Czerwiński and Jakub Leśniowski and Jakub Marchewka and Piotr Mika},
journal = {Frontiers in physiology},
year = {2026},
month = oct,
doi = {10.3389/fphys.2026.1935076},
url = {https://europepmc.org/article/MED/42952530},
note = {CC BY},
}
RIS
TY - JOUR
TI - Acute hemorheological responses to an incremental shuttle-run test at -10 °C versus 18 °C in young healthy men.
AU - Aneta Teległów
AU - Konrad Rembiasz
AU - Janusz Pobędza
AU - Łukasz Cebula
AU - Zygmunt Dziechciowski
AU - Andrzej Czerwiński
AU - Jakub Leśniowski
AU - Jakub Marchewka
AU - Piotr Mika
PY - 2026
DA - 2026/10/14
JO - Frontiers in physiology
DO - 10.3389/fphys.2026.1935076
UR - https://europepmc.org/article/MED/42952530
AB - Background The presented study concerns exercise physiology under conditions of effect of single sprint in air temperature of -10 °C on selected blood hemorheological indicators (fibrinogen, blood plasma viscosity) in healthy males. Important to know the differences in hemorheological indicators on physical exercise at low temperatures compared to those obtained at normal temperatures cardiovascular risk assessment.Methods The study was experimental in nature and assumed a comparison of the body response to exercise performed at reduced (-10 °C) and neutral (18 °C) temperatures. It involved 30 healthy males, students of physiotherapy at the University of Physical Culture in Krakow, Poland. The enrolled individuals were divided into 2 groups: group 1 (n = 15) ran in a thermal climate chamber at an air temperature of -10 °C, group 2 (n = 15) ran in the fresh air at a neutral air temperature of 18 °C.Results Significant changes were observed in the platelet count in both the control group and the experimental group. No effect of the experimental factor, i.e. cold, was noted for the following indicators: fibrinogen, blood plasma viscosity, platelet indicators.Conclusions Prevailing temperature conditions during single sprint had no substantial influence on changes in the analyzed blood parameters. The main finding of the study is that short-term, maximal single sprint in very low temperatures (-10 °C) does not induce different or more pronounced hemorheological changes than the same effort performed under thermoneutral conditions (18 °C) in young, healthy males. The results suggest that a short, intense workout in temperatures of -10 °C, when wearing appropriate clothing (thermal base layers), does not lead to dangerous disturbances in blood flow.
SN - 1664-042X
ER -