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The Journal of Sports Medicine and Physical Fitness 2015 July-August;55(7-8):813-23

Copyright © 2015 EDIZIONI MINERVA MEDICA

language: English

IL-6 and CRP response to maximal exercise intervention

Cipryan L. 1, Svagera Z. 2, Vala R. 1

1 Ostrava University, Human Motion Diagnostic Centre, Ostrava, Czech Republic; 2 University Hospital Ostrava, Institute of Laboratory Diagnostics, Ostrava, Czech Republic


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AIM: The purpose of this study was to investigate the recovery pattern of the plasma inflammatory markers interleukin-6 (IL-6) and C-reactive protein (CRP) after the single-bout maximal exercise. The exercise of different type (continuous vs. intermittent) was performed and also compared in this study.
METHODS: Following baseline testing, 30 males were divided into three experimental groups, which completed continuous or intermittent all-out exercise of similar duration or no exercise intervention (Control group). Blood was sampled before and 1 h, 3 h, 5 h after exercise. Serum was analysed for IL-6, CRP, lactate, creatinine, uric acid, cortisol, creatine kinase, lactate dehydrogenase and myoglobin. Diet was standardized during recovery monitoring.
RESULTS: Serum IL-6 and CRP concentrations were not significantly changed in the pre- to post-exercise values comparison. These results are evident in both exercise intervention groups as well as in the control group. The only exception is the significant (P=0.03) IL-6 decrease (28.2%) in continuous exercise protocol 3 h after the exercise. Significant changes (P<0.05) were also observed in lactate, cortisol, uric acid and myoglobin, when pre-exercise vs. post-exercise recovery values were compared
CONCLUSION: The exercise of all-out intensity and relatively short duration, no matter what type, does not elicit a significant change in the inflammatory markers IL-6 and CRP for the 1h to 5h period of rest following the exercise.

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lukas.cipryan@osu.cz