The effects of two types of rapid weight loss programs on the cardiac cell damage indices
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Introduction
Rapid weight loss in lower weight classes of wrestling tournament is an important issue in the field.
Purpose
The aim of this study was to investigate the effects of two types of programs of rapid weight loss on heart muscle cell damage and the related index levels.
Methodology
Sixteen young wrestlers (age:18±1.31 years, weight:71.68±13.17 kg, height: 171±6.40 cm) in the form of crossover were randomly divided into two groups (the first group with a weight loss of 2% and the second group with a weight loss of 4% of body weight). Blood samples were analyzed in four stages: before, immediately after, 6, and 24 hours after losing weight. Repeated measures ANOVA was employed and Bonferroni post hoc test was used to analyze the data in various stages.
Results
At the end of the study, a significant increase in the amount of CK-MB in the two groups was observed immediately after weight loss (p=.009). However, this association was unstable and 24 hours after the normal weight loss, CK-MB reached its normal level. Also, a significant increase in serum LDH levels was observed in the two groups' weight loss (p=.008), while no changes in CK levels were observed in the two groups.
Conclusion
It seems that rapid weight loss by 2% to 4% of body weight can cause serious heart damage. In addition, CK-MB and LDH enzymes showed that rapid weight loss was due to increased levels of these enzymes. Obviously, it is necessary to do further research.
Language:
Persian
Published:
نشریه ورزش و علوم زیست حرکتی, Volume:9 Issue: 1, 2017
Pages:
42 to 48
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