Lateral differences in maximal grip strength in Czech male tennis players aged 9–10 in the context of injury prevention



Year of publication 2017
Type Article in Proceedings
Conference Proceedings of the 11th International Conference on Kinanthropology
MU Faculty or unit

Faculty of Sports Studies

Keywords bilateral asymmetry; laterality; tennis; dynamometer
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Description The term laterality refers to the side preference or dominance of a human body and its asymmetry. In the preference process, more accurate, precise, coordinated and stronger side is chosen from the perspective of motoric functions. In the general population, a left-handed preference ranging between 10-13% has been found. The percentage is higher in certain sport fields (soccer, tennis, volleyball etc.). The lefthanded dominance in tennis is considered an advantage. The ratio of left-handed players is 16% among the world elite tennis players (TOP 100 ATP Rankings 2017). Due to unilateral load, there may be an excessive side-effect in strength difference in tennis and overloading of specific muscle group could lead to an injury. The aim of the research was to identify the levels of somatic and strength characteristics and assess the lateral difference in maximal grip strength of Czech elite tennis players. The sample consisted of tennis players, ranging in age from 9 to 10.9 years (n=85) who participated in the regular tests for Czech Tennis Association in years 2000-2015. Base anthropometricswere measured (height, weight) and maximal grip strength of both hands using the hand-held dynamometry (Grip D, Takei).
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