Journal
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume 19, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/ijerph19148241
Keywords
anthropometric characteristics; physical performance; match analysis
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This study evaluated the relationships between anthropometric characteristics, performance tests, and match performance in young male water polo players. A new performance model was proposed based on multiple regression analysis, which can be used to predict overall player performance and evaluate the impact of improvement in specific qualities. The study also proposed a new method for match analysis with good reliability.
Background: In water polo, more physical and performance variables are related to a performance in a match. The aim of our work was therefore: (a) to evaluate the relationships between anthropometric characteristics and performance tests and performance in a match in young male water polo players; (b) to propose new guidelines for match analysis. Methods: Multiple regression analysis was used to study the results in anthropometric evaluations (height, body mass, chest circumference, arm span, non-dominant arm length) and performance tests (push-up, chin-up, shuttle swim test, sprint swim 10 m, eggbeater kick, 100 m swimming) and two coaches' evaluations of two friendly matches using new guidelines. A total of 130 subjects (age: 15.6 +/- 0.9 years) were involved in the study. Results: In this study, we proposed a new performance model based on multiple regression analysis (r = 0.85, r(2) = 0.73, adjusted r(2) = 0.57) and described by the following equation: Coach's Evaluation = 151.6 + (-0.016 x height) + (0.6 x body mass) + (-0.82 x chest) + (-0.59 x arm span) + (0.75 x non dominant arm length) + (-0.037 x push up) + (0.17 x chin up) + (5.87 x shuttle swim test) + (-2.2 x 10 m sprint swim) + (0.05 x eggbeater kick) + (-0.35 x 100 m swimming). Inter-observer values were: CV: -3.9%, ICC: 0.82, ES: 0.1. Intra-observer: CV: -4.1%, ICC: 0.96, ES: 0.06. Conclusions: The relationships between anthropometric and performance variables and the match analysis have been statistically described. The equation found can be used to predict the overall performance of a player and permits evaluations of how much the improvement in one of the qualities can affect the players' overall performance. Moreover, the new method for match analysis we have proposed showed a good reliability and can be used for new studies on water polo.
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