The effect of combined resistance-anaerobic exercise on some hematological parameters and blood gas changes in trained individuals

Document Type : Research Paper

Authors

1 Exercise Physiology Department, , Faculty of Physical Education and Sports Science, University of Guilan, Rasht, Iran

2 Department of Exercise Physiology, Faculty of Physical Education and Sports Sciences, University of Guilan, Rasht, Iran

3 Department of Exercise Physiology, Faculty of Sport Sciences, University of Guilan, Rasht, Iran

10.22038/mjms.2025.82391.4745

Abstract

Background: The effects of resistance-anaerobic exercise on hematologic responses and blood gases that can significantly impact athletes' performance differ. Therefore, the present study aimed to investigate the effects of resistance-anaerobic exercise on some hematologic parameters and blood gases in trained individuals.
Method: In this semi-experimental study, 6 male athletes (mean age 24.54 ± 0.83 years, and 6 females (mean age 24.16 ± 16.75 years,) voluntarily participated. The participants randomly performed two exercise trials with two sequences in execution (power, strength, velocity) and (power, velocity, strength). The exercise lasted about 40 minutes, including ten minutes of general warm-up and then performing power (jump), velocity (45-meter sprint), and strength (squat) exercises with specified rest intervals between each of these activities. A blood sample was taken before and immediately after the exercise from a 7-cc arm vein. Also, the two-way ANOVA test was used to pre-test and post-test stages at a significant level of 0.05.
Results: The results showed that after the exercise, the values related to hematocrit, hemoglobin, red blood cells, white blood cells, platelets, and lactate significantly increased. The bicarbonate ion and pH values decreased in both trials. A significant increase was observed in the partial pressure of oxygen in both trials, and the partial pressure of carbon dioxide decreased in both trials.
Conclusion: There was no difference between performing the sports activities in the two mentioned sequences, and the results of this study can be used for diagnosing acid-base disorders and clinical care to maintain athletes' physical capacity.

Keywords

Main Subjects

References

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Medical Journal of Mashhad university of Medical Sciences
Volume 68, Issue 1
March and April 2025
Pages 89-102

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