Barbosa, Tiago M.Lima, António B.Colaço, PauloGonçalves, PedroMachado, LeandroFernandes, Ricardo J.Keskinen, Kari L.Vilas-Boas, João Paulo2011-04-152011-04-152006Barbosa, Tiago M.; Lima A.B.; Colaço, P.; Gonçalves, P.; Machado, P.L., Fernandes, R.J., Keskinen, K.L.; Vilas-Boas, J.P. (2006). Relationships between energy cost, swimming velocity and speed fluctuation in elite butterfliers. In Revista Portuguesa de Ciências do Desporto. Portohttp://hdl.handle.net/10198/4070The purpose of this study was to analyse the relationships between the total energy expenditure (tot), the energy cost (EC), the intra-cycle variation of the horizontal velocity of displacement of centre of mass (dv) and the mean swimming velocity (v) in elite butterfliers.engconference object