Evidence map›Paper›PMID 40873756›Full record

ArticleFrontiers in physiology2025

A single 2000-meter exercise test to assess exercise adaptation in elite rowers during the preparatory phase.

Sabina Kaczmarczyk, Anna Kasperska, Hanna Dziewiecka, Joanna Ostapiuk-Karolczuk, Justyna Cichoń-Woźniak, Piotr Basta, Anna Skarpańska-Stejnborn

Registry-linked trialAbstract read
In one paragraph

Article in Frontiers in physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06133751 (Effect of 8-week Supplementation With Anthocyanin Compounds Contained in Black Chokeberry on Inflammation and Oxidative Stress Induced by Very Intense Exercise in Highly Trained Rowers), which is not on this map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06133751 phase4completednot on this map

Effect of 8-week Supplementation With Anthocyanin Compounds Contained in Black Chokeberry on Inflammation and Oxidative Stress Induced by Very Intense Exercise in Highly Trained Rowers

TypeinterventionalSponsorPoznan University of Physical EducationRan2023 to 2023Enrolled15ConditionsInflammation, Muscle(S), Oxidative Stress Injury, PermeabilityArmsblack chokeberry (Aronia melanocarpa), Placebo
3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Sabina Kaczmarczyk *Department of Biological Sciences, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.
Anna Kasperska *Department of Biological Sciences, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.
Hanna DziewieckaDepartment of Biological Sciences, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.
Joanna Ostapiuk-KarolczukDepartment of Biological Sciences, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.
Justyna Cichoń-WoźniakDepartment of Biological Sciences, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.
Piotr BastaDepartment of Physical Education and Sport, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.
Anna Skarpańska-Stejnborn *Department of Biological Sciences, Faculty of Sport Sciences in Gorzów Wielkopolski, University of Physical Education, Poznań, Poland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: A 2000-m exercise test on a rowing ergometer is intended to determine the training program's effectiveness and the proper training intensity. However, anecdotal data from rowers confirm that this test involves extremely high levels of exercise, which may induce metabolic stress. Therefore, this observational study aims to analyze the effects of a 2000-m exercise test on biomarkers of inflammation, oxidative stress, and the immune system during the preparation phase in elite rowers. Methods: The Polish Youth National Rowing Team participated in the study (N = 18). The rowers performed a 2000-m exercise test on a rowing ergometer. Before the exercise test, after one and 24 h afterwards, venous blood was taken to determine biomarkers. Pro-oxidant-antioxidant balance parameters (total antioxidant capacity, thiobarbituric acid reactive substances), pro- and anti-inflammatory cytokine levels (IL-2, IL-10, TNF-α, IL-6), and MYO were determined. This is part of a study that has been registered on clinicaltrials.gov under the identifier NCT06133751. Results: A statistically significant increase in IL-6 concentrations was observed 24 h after exercise. IL-10 concentrations statistically decreased significantly immediately after and 24 h post exercise. MYO levels statistically decreased significantly immediately after and 24 h post exercise. WBC statistically increased significantly immediately after exercise and then returned to baseline values. Conclusion: The results of this study confirm that the 2000-m exercise test causes short-term inflammation, which is related to the physiological recovery process. In addition, chronic inflammation and immune system disturbances were not observed, which means that the athletes showed adaptation to very intense exercise.

Indexed as

athleteshigh-intensityinflammationleukocytosisoxidative stressphysical effort

Identifiers

PMID40873756
PMCPMC12378484

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.