Abstract
The research aimed to assess the difference in muscle damage between professional and amateur soccer players after a repeated sprint test. Thirty male soccer players (15 amateurs and 15 professionals) underwent a 6x30meter sprint test with 20-second intervals between sprints. The objective was to determine muscle damage based on the concentration of blood enzymes (CK and LDH). Results showed a significant increase in CK and LDH enzyme concentrations after the test, with amateurs exhibiting slightly higher values before the test, but differences decreased after the test. Professional players had similar or slightly lower enzyme values before the test, but post-test levels were comparable or slightly higher compared to amateurs. Analysis also revealed similar trends in CK and LDH enzyme elevation between the two groups, with minimal or insignificant differences. The findings suggest that the repeated sprint test may induce muscle damage in both types of players, but differences between professional and amateur players were not significant. This study provides insight into the potential effects of testing on muscle health in soccer players and indicates the need for further research to better understand the factors influencing muscle damage in this context.
Published Version
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