Encontrados 11 documentos, a visualizar página 1 de 2
Is the underwater gliding test a valid procedure to estimate the swimmers’ drag?
Morais, J.E.; Costa, M.J.; Jesus, S.; Mejias, J.E.; Moreira, M.; Garrido, N.; Silva, A.J.; Marinho, D.A.; Barbosa, Tiago M.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...
Longitudinal study in male elite swimmers: variation on performance, energetics...
Costa, M.J.; Bragada, José A.; Mejias, J.E.; Marinho, D.A.; Louro, H.; Lopes, Vítor P.; Silva, A.J.; Barbosa, Tiago M.
Is underwater gliding test a valid procedure to estimate the swimmer's drag?
Morais, J.E.; Jesus, S.; Mejias, J.E.; Silva, A.J.; Marinho, D.A.; Barbosa, Tiago M.
Estimating the trunk transverse surface area to assess swimmer's drag force bas...
Barbosa, Tiago M.; Morais, J.E.; Costa, M.J.; Mejias, J.E.; Marinho, D.A.; Silva, A.J.The aim of this study was to compute and validate trunk transverse surface area (TTSA) estimation equations to be used assessing the swimmer’s drag force according to competitive level by gender. One group of 130 swimmers (54 females and 76 males) was used to compute the TTSA estimation equations and another group of 132 swimmers (56 females and 76 males) were used for its validations. Swimmers were photographe...
Tracking the performance, energetics and biomechanics of international versus n...
Costa, M.J.; Bragada, José A.; Mejias, J.E.; Louro, H.; Marinho, D.A.; Silva, A.J.; Barbosa, Tiago M.The purpose of this study was to track and compare the changes of performance, energetic and biomechanical profiles of international (Int) and national (Nat) level swimmers during a season. Ten Portuguese male swimmers (four Int and six Nat level subjects) were evaluated on three different time periods (TP1, TP2, TP3) of the 2009–2010 season. Swimming performance was assessed based on official time’s lists of t...
Kinematical and neuromuscular assessment of the rowing exercise in the upright ...
Mejias, J.E.; Cruz, A.M.; Barbosa, Tiago M.
Kinematical and neuromuscular assessment of the rowing exercise in the upright ...
Mejias, J.E.; Cruz, A.M.; Barbosa, Tiago M.The aim was to assess the interaction between kinematics and neuromuscular responses of subjects performing the rowing exercise with barbell in group fitness classes with different external loads and cadences. Fifteen male subjects performed nine sets of nine repetitions of the selected exercise. Sets were composed by a pair wise combination of different external loads (5, 10 and 20 [kg]) and cadences (1, 2 and...
Kinematical and neuromuscular assessment of the rowing exercise in the upright ...
Mejias, J.E.; Cruz, A.M.; Barbosa, Tiago M.The aim was to assess the interaction between kinematics and neuromuscular responses of subjects performing the rowing exercise with barbell in group fitness classes with different external loads and cadences.
Contributo dos factores antropométricos, bioenergéticos e biomecânicos para a p...
Costa, M.J.; Bragada, José A.; Mejias, J.E.; Louro, H.; Barbosa, Tiago M.
Validação de equações preditivas da área de secção transversa do tronco
Morais, J.E.; Costa, M.J.; Mejias, J.E.; Marinho, D.A.; Silva, A.J.; Barbosa, Tiago M.O objectivo do estudo foi desenvolver e validar equações preditivas da área de secção transversa do tronco humano, Os modelos foram desenvolvidos para o sexo masculino e de acordo com o nível competitivo, A amostra foi composta por 152 sujeitos, todos praticantes de Natação Pura desportiva, com idades entre os 10 e os 32 anos de idade. Para o desenvolvimento dos modelos foi utilizado um grupo de sujeitos para e...
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