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Balance disorders caused by running and jumping occurring in young basketball players

Artykuł
Czasopismo : Acta of Bioengineering and Biomechanics   Tom: 17, Zeszyt: 2, Strony: 103-109
2015 angielski
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  • Oryginalny artykuł naukowy
  • Zrecenzowana naukowo
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Abstrakty ( angielski )
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Purpose: Body balance, as one of the coordination abilities,is a desirable variable for basketba ll players as regards the neces sity of efficient responses in constantly changing situations on a basketball court. The aim of this study was to check whether physica l activity in the form of running and jumping influences variables charac terizing the process of keeping body balance of a basketball play er in the standing position. Methods: The research was conducted on 11 young basketball players. The measur ements were taken with a Kistl er force plate. Apart from commonly registered COP displacements, an additional variable describing the process of keeping body ba lance by a basketball player was ankle joint stiffness on the basis of which an “Index of Balance–Stiffness” (IB-S) was created. Resu lts: Statis- tically significant differences were obtained for the maximum COP displacements and ankle joint stiffness between measurements of balance in the standing position before and after the employed m ovement tasks whereas there were no statistically significant d ifferences for the aforementioned variables describing the process of keepi ng balance between measurements after running and after jumping . Conclusions: The research results indicate that the employed movement activities brought about significant changes in the proce ss of keeping balance of basketball player in the standing position wh ich, after the run performed, remain on a similar level to the series of jumps being performed. The authors attempted to establish an inde x based on the stiffness which yi elds a possibility to perceiv e each basketball player as an individual pers on in the process of keeping balance.
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