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Revista Brasileira de Medicina do Esporte
Print version ISSN 1517-8692
PEREIRA, Hugo Maxwell; MENACHO, Maryela de Oliveira; TAKAHASHI, Ricardo Hisayoshi and CARDOSO, Jefferson Rosa. Handgrip strength evaluation on tennis players using different recommendations. Rev Bras Med Esporte [online]. 2011, vol.17, n.3, pp. 184-188. ISSN 1517-8692. http://dx.doi.org/10.1590/S1517-86922011000300007.
It is important to assess the handgrip strength (HS) in competitive tennis players due to asymmetry between the dominant and contra lateral hands that players might develop. In order to assess HS, clinicians can use two protocols already established that are different from each other (from European Test of Physical Fitness Handbook [Eurofit] or American Society of Hand Therapists [ASHT]. The objective of this study was threefold: Firstly to compare the HS using the Eurofit and ASHT technique; secondly to compare HS between dominant/nondominant hands, and last, to compare the handgrip between ages of juvenile tennis player athletes. 137 male and 45 female tennis players (aged between 8 and 18 years) participated in the study. In order to assess HS following the Eurofit and ASHT recommendations, a Jamar dynamometer was used. None of the athletes had any injury that could compromise tests. There was no difference in handgrip strength between Eurofit and ASHT recommendations regardless of sex. The best curve to describe the regression of HS and age for both genders was a sigmoid function. Males presented a higher slope at 11 years and females had a higher slope at 10 years. Moreover, in male athletes dominant HS presented higher values than non-dominant HS beginning at 14 years. However, for the females the asymmetry in HS did not occur for any age until 18 years.
Keywords : Tennis; Hand strength; Child; Adolescent; Racquet Sports.