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Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Online ISSN 1827-1812
Castillo F. 1, García-Manso J. M. 1, Valverde T. 2, Rodríguez-Ruíz D. 1
1 Laboratory of Analysis and Training Planning Physical Education Department University of Las Palmas de Gran Canaria Las Parlmas, Spain;
2 Faculty of Physical Activity and Sports Science Catholic University of Valencia, Valencia, Spain
Aim: The aim of this study was to confirm, through bone densitometry, the incidence that the tennis practice has in experienced players’ body composition and detect possible asymmetries in semi-professional tennis players.
Methods: Thirteen players were evaluated: age: 21.1±3.8 years; height: 178.3±5.5 cm; weight: 74.3±7.3 kg; %Fat: 12.9±6.2. Subjects’ body composition analysis was carried out by dual-energy X-ray absorptiometry.
Results: Results showed significant differences (p≤0.01) in bone mineral composition of the dominant arm (BMC/DA: 220.1±19.3) vs. non-dominant (BMC/N-DA: 177.3±19.8). The same happened with bone mineral density in dominant arm (BMD/DA: 0.99±0.08 vs. non-dominant arm (BMD/N-DA: 0.91±0.07; p≤0.05) and total mass of the dominant arm (MTT/DA: 4345.3±477.4 vs. MTT/N-DA: 3924.7±485.7; p≤0.05). No significant differences were found in fat mass (FM) and lean muscle mass (LMM). Lower limb did not show significant differences in any of the analyzed tissues.
Conclusion: Results showed that there is a chronic adaptive response in individuals who have a high volume of training in this discipline for several years. These asymmetries are mainly manifested in BMC/A, BMD/A and MTT/A. A compensatory work and force training is recommended to develop non-dominant segment.