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Study aim
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The effect of eight weeks of sprint interval training with RAST on levels of lipocalin-2, lipid profile, body composition and some components of physical fitness of young female volleyball players
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Design
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The research method was quasi-experimental and twenty two12-18 yr female volleyball players were selected and were assigned to two groups of experiment and control (replacement randomization, each group was 11).
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Settings and conduct
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The present study was experimental study including experimental and control groups. The measurements were repeated and included pre-test (before the training period) and post-test (after the training period), and female volleyball players were studied in Saghez City.
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Participants/Inclusion and exclusion criteria
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Criteria for entering the study: no alcohol, tobacco, any medication or exercise supplement, no dietary regimen, no specific diseases such as cardiovascular, respiratory and musculoskeletal-orthopedic diseases, during the three months before the start of the research.
Exit criteria: no regular exercise, medication, alcohol, tobacco or nutritional supplements, dietary changes, exercises other than prescribed exercises, cardiovascular, respiratory and musculoskeletal-orthopedic diseases, and failure to observe other recommended tips during the study period.
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Intervention groups
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The study groups consisted of the experimental group (n = 11) and the control group (n = 11). In addition to the usual volleyball exercises, the experimental group also performed sprint interval training for eight weeks. While the control group only performed the usual volleyball exercises.
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Main outcome variables
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lipocalin-2; lipid profile; body composition; components of physical fitness