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Overall indexes of coordination in front crawl swimming.

  • Academic Journal
  • Mezêncio B; Laboratory of Biomechanics, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.; Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, Porto, Portugal.; Porto Biomechanics Laboratory, University of Porto, Porto, Portugal.
    Pinho JP; Laboratory of Biomechanics, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
    Huebner R; Department of Mechanical Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
    Vilas-Boas JP; Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, Porto, Portugal.; Porto Biomechanics Laboratory, University of Porto, Porto, Portugal.
    Amadio AC; Laboratory of Biomechanics, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
    Serrão JC; Laboratory of Biomechanics, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
  • Journal of sports sciences [J Sports Sci] 2020 Apr; Vol. 38 (8), pp. 910-917. Date of Electronic Publication: 2020 Mar 10.
  • English
  • The aim of this study was to propose a group of parameters able to quantify not only arm coordination but also inter limb coordination. These include the well know index of coordination with the relative duration of the stroke phases and two new parameters: the Index of synchronization (Ids) between arms and legs actions; and the Index of inter limb coordination (IdIC) calculated as the relative foot position during successive arm stroke phases. These parameters were compared between experts and amateur swimmers in a maximal front crawl sprint. The influence of arm stroke in leg kick parameters was also assessed, comparing the full stroke condition with a condition without arms actions. Sixty-five per cent of expert swimmers used synchronized limb actions while 95% of amateur swimmers used non-synchronized limb motions. These synchronized expert swimmers also converged towards a specific coordination pattern between foot position and arm stroke phases. In the condition without arms, both groups changed kick rate and amplitude. The present study reveals the interdependency of arms and legs actions and the importance of coordination and synchronization between limbs. Therefore, the proposed group of overall indexes of coordination provides a more complete marker for the analysis of swimming technique.
Additional Information
Publisher: Routledge Country of Publication: England NLM ID: 8405364 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1466-447X (Electronic) Linking ISSN: 02640414 NLM ISO Abbreviation: J Sports Sci Subsets: MEDLINE
Publication: 2007- : London : Routledge
Original Publication: [London, England] : Published by E. & F.N. Spon on behalf of the Society of Sports Sciences, [c1983-
Keywords: Biomechanics; arm stroke; inter limbs coordination; leg kick beats; swimming
Date Created: 20200311 Date Completed: 20200626 Latest Revision: 20200626
20220902
10.1080/02640414.2020.1737349
32153232

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