year 12, Issue 2 (Summer 2024)                   Ann Appl Sport Sci 2024, 12(2): 0-0 | Back to browse issues page

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Kistak Altan B, Ilhan Odabas H, Hakan M T, Zeybek S U. The Relationship of Blood Lactate Level and Swimming Performance with MCT1 after Critical Velocity. Ann Appl Sport Sci 2024; 12 (2)
1- Department of Sports Management, Faculty of Sport Sciences, Halic University, İstanbul, Turkey.
2- Department of Sports Management, Faculty of Sport Sciences, Halic University, İstanbul, Turkey. ,
3- Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
Abstract:   (667 Views)
Background. The investigation into whether the MCT1 gene in swimming and the inclusion of exercises involving critical velocity in water warm-ups have an effect on performance is ongoing.
This study aims to examine the relationship between swimming performance and blood lactate level with MCT1 after critical velocity.
Methods. 33 girls and 27 boys were included in the study. Intraoral swab and intraoral buccal swap samples were taken from the participants to be used for MCT1 gene analysis by the expert with transport swab, which can be used in DNA analysis. After DNA isolations, MCT1 gene polymorphisms were performed with Real-time PCR. After resting, the resting blood lactate levels (LArest) were taken from the fingertips with Lactate Scout+. Then, the swimmers performed a water warm-up with critical velocity and were taken to the 4 repetitions of the 50-meter (m) individual medley maximal swimming test. Immediately after the test, the blood lactate levels were taken at the 1st (LA1), 6th (LA6), and 15th (LA15) minute rest periods. The swimming test was recorded with a SJCAM camera. The end time was determined with Kinovea 0.9.5. IBM SPSS 24.0 program was used for data analysis. The relationship between blood lactate and swimming performance vs MCT1 dominant genotype and allele distribution was analyzed by Pearson correlation. The significance level was taken as p<0.05.
Results. No significant differences between LArest and performance vs MCT1 (p>0.05). A significant correlation was found between LA1, LA6, LA15 values vs MCT1 (p<0.05).
Conclusion. In conclusion, this study confirmed that there is a relationship between the MCT1 dominant genotype and blood lactate levels in swimmers, but this relationship with performance has not been confirmed.
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  • Although the MCT1 dominant genotype does not affect performance in swimmers, it is believed to have a significant impact on blood lactate levels.
  • Swimming coaches should be aware of the MCT1 dominant genotype when determining the anaerobic/aerobic threshold levels of swimmers with blood lactate levels.

Type of Study: Original Article | Subject: Sport Physiology and its related branches
Received: 2023/11/27 | Accepted: 2024/01/29

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