Volume 33, Issue 9 (December 2022)                   Studies in Medical Sciences 2022, 33(9): 661-675 | Back to browse issues page

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Nosrati Hashi A, Bolboli L, Anoushiravani S, Farzizadeh R. THE EFFECT OF A PERIOD OF RESISTANCE TRAINING WITH BLOOD FLOW RESTRICTION ON THE LEVEL OF IL-6, IGA AND TNF-Α IN JUDOKAS. Studies in Medical Sciences 2022; 33 (9) :661-675
URL: http://umj.umsu.ac.ir/article-1-5877-en.html
Professor of Sports Physiology, Mohaghegh Ardabili University, Ardabil, Iran (Corresponding Author) , l_bolboli@uma.ac.ir
Abstract:   (158 Views)
Background & Aims: Cytokines are a group of proteins that play the main role in inflammatory responses to pathological stimuli such as inflammation and tissue damage. Also, immunoglobulin A is the main class of antibodies in the body that undergoes changes during physical activities. The purpose of this study was to investigate the effect of a period of resistance training with blood flow restriction on the level of interleukin 6 (IL-6), IgA and TNF-α in judokas.
Materials & Methods: The present research method was interventional (semi-experimental). The statistical population of the present study was male judokas athletes in Tehran. 30 male judokas were randomly divided using available sampling method into 2 groups of training with blood flow restriction as the first group and training without blood flow restriction as the second group. Before the implementation of training programs, blood samples were taken from the subjects, and serum concentrations of IL-6, IgA and TNF-α were measured by ELISA method. Resistance exercise with blood flow restriction was an exercise with 30% intensity of one repetition maximum with cuff pressure (around the proximal area of the arm). Blood flow restriction was considered to be about 120 to 160 mmHg, which depended on the systolic pressure of each individual. Multivariate covariance test was used for inter-group comparison and dependent t-test was used for intra-group comparison at a significance level of P<0.05.
Results: The results of the inter-group comparison showed that IL6 (P=0.023), TNF-α (P<0.001) and IgA (P=0.019) in the two groups of resistance training with blood flow restriction and traditional resistance training were significantly different.
The results of the intra-group comparison showed that IL6 (P < 0.001), TNFα (P = 0.003) and IGA (P = 0.027) in the resistance training group with blood flow restriction in the post-test stage was decreased compared to the pre-test. Also, IL6 (P<0.001) and TNFα (P<0.001) in the traditional resistance training group had a significant decrease in the post-test phase compared to the pre-test.
Conclusion: According to the research results, it can be concluded that a period of traditional resistance training and resistance training along with blood flow restriction can lead to diminishment in TNF-α and IL-6 levels, which shows the improvement of the inflammatory index. Also, resistance training along with flow restriction has led to a decrease in IgA, which indicates weakening of the immune system. According to the findings of this study, in terms of immune system physiology, muscle injuries and inflammations, it is recommended to eliminate intense resistance training programs and develop appropriate training programs such as resistance training with moderate intensity blood flow restriction for athletes.

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Type of Study: Research | Subject: فیزیولوژی

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