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Biomechanics, energetics and coordination during extreme swimming intensity: effect of performance level

2016Journal article Restricted access
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dc.contributor.authorRibeiro, João
dc.contributor.authorFigueiredo, Pedro
dc.contributor.authorMorais, Sara
dc.contributor.authorAlves, Francisco
dc.contributor.authorToussaint, Huub
dc.contributor.authorVilas-Boas, João Paulo
dc.contributor.authorFernandes, Ricardo Jorge
dc.date.accessioned2021-04-29T15:30:10Z
dc.date.available2021-04-29T15:30:10Z
dc.date.issued2016
dc.description.abstractThe present study aimed to examine how high- and low-speed swimmers organise biomechanical, energetic and coordinative factors throughout extreme intensity swim. Sixteen swimmers (eight high- and eight low-speed) performed, in free condition, 100-m front crawl at maximal intensity and 25, 50 and 75-m bouts (at same pace as the previous 100-m), and 100-m maximal front crawl on the measuring active drag system (MAD-system). A 3D dual-media optoelectronic system was used to assess speed, stroke frequency, stroke length, propelling efficiency and index of coordination (IdC), with power assessed by MAD-system and energy cost by quantifying oxygen consumption plus blood lactate. Both groups presented a similar profile in speed, power output, stroke frequency, stroke length, propelling efficiency and energy cost along the effort, while a distinct coordination profile was observed (F(3, 42) = 3.59, P = 0.04). Speed, power, stroke frequency and propelling efficiency (not significant, only a tendency) were higher in high-speed swimmers, while stroke length and energy cost were similar between groups. Performing at extreme intensity led better level swimmers to achieve superior speed due to higher power and propelling efficiency, with consequent ability to swim at higher stroke frequencies. This imposes specific constraints, resulting in a distinct IdC magnitude and profile between groups.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/02640414.2016.1227079pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.24/1832
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectAthletic Performancept_PT
dc.subjectBiomechanical Phenomenapt_PT
dc.subjectEnergy Metabolismpt_PT
dc.subjectHumanspt_PT
dc.subjectLactic Acidpt_PT
dc.subjectMalept_PT
dc.subjectMotor Skillspt_PT
dc.subjectOxygen Consumptionpt_PT
dc.subjectSwimmingpt_PT
dc.subjectTime and Motion Studiespt_PT
dc.subjectYoung Adultpt_PT
dc.titleBiomechanics, energetics and coordination during extreme swimming intensity: effect of performance levelpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage8pt_PT
oaire.citation.issue16pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleJournal of Sports Sciencespt_PT
oaire.citation.volume35pt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT

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