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The study aimed to check the 2000m ergometer test on markers of gut permeability in the competitive phase of rowers. 18 members of the Polish rowing team took part in the study.
The phenomenon of epithelial wall leakage has been the subject of investigations within athletic domains such as running and cycling. Nevertheless, there exists an insufficiency of understanding regarding gut permeability in alternative disciplines, such as rowing, particularly following the completion of a standard competitive distance of 2000 meters. Hence, the principal objective of our study was to assess gut permeability after completing a 2000-meter rowing test. The study was performed at the beginning of a competitive training phase. Eighteen elite Polish Rowing Team rowers participated in the study after applying the inclusion/exclusion criteria. The participants performed a 2000-meter ergometer test. Blood samples were taken before the test, after exercise, and after 1-hour of restitution. Parameters, such as I-FABP, LPS, LBP, and zonulin, were determined using appropriate biochemical tests.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ergometer test | Other | 2000meter rowing ergometer test |
| Measure | Description | Time Frame |
|---|---|---|
| I-FABP (intestinal fatty acid binding protein)to measure epithelial wall injury | I-FABP concentration measured in blood [ng/ml] using commercially available enzyme-linked immunosorbent assays | Blood samples was taken from the cubital vein at three-time points: before each stress test (after overnight fasting), one minute after the end of the test, and after a 1-hour recovery period |
| zonulin to measure tight junction leakage | zonulin concentration measured in blood [ng/ml] using commercially available enzyme-linked immunosorbent assays | Blood samples was taken from the cubital vein at three-time points: before each stress test (after overnight fasting), one minute after the end of the test, and after a 1-hour recovery period |
| LBP (lipopolysaccharide binding protein) to measure endotoxin | LBP concentration measured in blood [ug/ml] using commercially available enzyme-linked immunosorbent assays | Blood samples was taken from the cubital vein at three-time points: before each stress test (after overnight fasting), one minute after the end of the test, and after a 1-hour recovery period |
| LPS (lipopolysaccharide) to measure endotoxin | LPS concentration measured in blood [EU/Ll] using commercially available enzyme-linked immunosorbent assays | Blood samples was taken from the cubital vein at three-time points: before each stress test (after overnight fasting), one minute after the end of the test, and after a 1-hour recovery period |
| Lactic acid to measure fatigue after the race | Lactate concentration measured in capillary blood from earlobe [mmol/L] using a commercially available kit (Diaglobal, Berlin, Germany) | Blood samples was taken from earlobe at two-time points: before each stress test (after overnight fasting), one minute after the end of the test. |
| Measure | Description | Time Frame |
|---|---|---|
| energy | energy [kcal ]of food intake measured by 24h dietary recall | day before test |
| fiber intake | fiber [g] intake day before the test measured by 24h dietary recall |
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Inclusion Criteria:
Exclusion Criteria:
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Male rowers age 18 - 22 years.
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| Name | Affiliation | Role |
|---|---|---|
| Anna Skarpańska-Stejnborn, proffessor | Poznan University of Physical Education | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Poznan University of Physical Education | Poznan | Poland |
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| day before test |
| protein | protein [g] intake day before the test measured by 24h dietary recall | day before test |
| carbohydrate | carbohydrate [g] intake day before the test measured by 24h dietary recall | day before test |
| body mass | Body mass [kg] measured by electronic scale to the nearest 0,05 kg (Tanita BC 418 MA Tanita Corporation, Tokyo, Japan). | in the morning before the test |
| Body composition - water | % of body water measured by electronic scale (Tanita BC 418 MA Tanita Corporation, Tokyo, Japan). | in the morning before the test |
| Body composition - fat | % of body fat measured by electronic scale (Tanita BC 418 MA Tanita Corporation, Tokyo, Japan). | in the morning before the test |
| Lean body mass | Lean body mass [kg] measured by electronic scale (Tanita BC 418 MA Tanita Corporation, Tokyo, Japan). | in the morning before the test |