Swim specialty affects energy cost and motor organization

International Journal of Sports Medicine
Ludovic SeifertPhilippe Hellard

Abstract

The purpose of this study was to analyse the effect of swimmer specialty on energy cost and motor organization. The stroking parameters (velocity, stroke rate, stroke length, stroke index) and the index of coordination (IdC) of 6 elite sprinters were compared with those of 6 elite long-distance swimmers during an incremental swimming exercise test (6x300 m separated by 30 s of passive recovery) that progressively increased the energy cost. Energy cost ( C), with its aerobic ( Caero) and anaerobic ( Canaero) components, was determined by measuring oxygen uptake (VO2) and blood lactate ([La]). Motor organization was assessed by analysis of video recordings from aerial and underwater side-view cameras. The results showed that throughout the test, both groups increased C, Canaero, stroke rate and IdC and decreased Caero and stroke length (all P<0.05). On the mean of the 300-m sets, sprinters had higher values for C (14.8 VS. 12.9 J x kg (-1).m (-1)), Canaero (33.8 VS. 23.4%), [La] (5.9 VS. 3.1 mmol x L (-1)), stroke length (2.31 VS. 2.28 m) and IdC (-11.2 VS. -21.7%) and lower values for Caero (66.2 VS. 79.6%), VO2 net (2 825 VS. 2 903 mL x min (-1)), stroke rate (0.55 VS. 0.62 Hz) and stroke index (2.96 VS. 3.19 m (2) x s (-1)) th...Continue Reading

Citations

Jan 21, 2012·European Journal of Applied Physiology·Pedro FigueiredoRicardo J Fernandes
Aug 21, 2012·European Journal of Applied Physiology·Pedro FigueiredoRicardo J Fernandes
Mar 22, 2013·European Journal of Applied Physiology·Pedro FigueiredoRicardo J Fernandes
Apr 9, 2013·Journal of Sports Sciences·Farzin DadashiKamiar Aminian
Aug 13, 2013·Journal of Science and Medicine in Sport·L SeifertG P Millet
Jul 30, 2014·Perceptual and Motor Skills·Pietro Luigi InvernizziAndrea Bosio
Aug 28, 2012·Human Movement Science·Pedro FigueiredoRicardo J Fernandes
Apr 16, 2013·BioMed Research International·Pedro FigueiredoRicardo J Fernandes
Aug 29, 2012·Journal of Science and Medicine in Sport·Gautier BideaultLudovic Seifert
Nov 19, 2011·Human Movement Science·J KomarL Seifert
Sep 8, 2016·Journal of Sports Sciences·João RibeiroRicardo Jorge Fernandes
Jan 15, 2014·International Journal of Sports Physiology and Performance·Ana SousaRicardo J Fernandes
Dec 7, 2019·European Journal of Applied Physiology·Paola ZamparoGiorgio Gatta
Aug 1, 2020·Scandinavian Journal of Medicine & Science in Sports·David Simbaña-EscobarLudovic Seifert
Sep 26, 2012·International Journal of Sports Physiology and Performance·Olivier HueStephen Blonc
May 14, 2021·Frontiers in Physiology·Gernot O Hering, Jens Stepan

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