Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/10050
Título: Is the underwater gliding test a valid procedure to estimate the swimmers’ drag?
Autor: Morais, J.E.
Costa, M.J.
Jesus, S.
Mejias, J.E.
Moreira, M.
Garrido, N.
Silva, A.J.
Marinho, D.A.
Barbosa, Tiago M.
Palavras-chave: Hydrodynamics
Passive drag
Path-flow analysis
Swimming
Data: 2013
Editora: International Federation of Sports Medicine
Citação: Morais, J.E.; Costa, M.J.; Jesus, S.; Meijas, J.E.; Moreira, M.; Garrido, N.; Silva, A.J.; Marinho, D.A.; Barbosa, Tiago M. (2013) - Is the underwater gliding test a valid procedure to estimate the swimmers’ drag? International SportMed Journal. ISSN 1528-3356. 14:4, p. 216-225
Relatório da Série N.º: 4;
Resumo: The aim of this study was to develop a structural equation model for underwater gliding distance based on its determinant variables, in order to confirm whether it is an informative test of young swimmers’ hydrodynamic profile. Methods: Twenty-three subjects (twelve boys and eleven girls with a mean age of 13.61 ± 0.83 years old) were evaluated. The following were determined: (i) the underwater gliding distance; (ii) the squat jump performance; (iii) the passive drag; (iv) the passive drag coefficient; (v) the trunk transverse surface area and; (vi) the gliding velocity. Results: The underwater gliding distance was significantly correlated with the squat jump (rs = 0.47; p = 0.038) and with the coefficient of passive drag (rs = -0.55; p < 0.01) but not with passive drag (rs = 0.41; p = 0.09). The overall model explained 45% of the underwater gliding distance (x2/df = 3.138). Conclusion: The underwater gliding distance seems to be more dependent from the squat jump than from the passive drag. Therefore it seems as if the underwater gliding test is not representative of the swimmers’ passive drag or his /her passive drag coefficient.
Peer review: yes
URI: http://hdl.handle.net/10198/10050
ISSN: 1528-3356
Aparece nas colecções:DCDEF - Artigos em Revistas Indexados ao ISI/Scopus

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