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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
A Journal on Applied Physiology, Biomechanics, Preventive Medicine,
Sports Medicine and Traumatology, Sports Psychology
Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
The Journal of Sports Medicine and Physical Fitness 2016 May 27
Tethered 3-min all-out test did not predict the traditional critical force parameters in inexperienced swimmers
Carlos A. KALVA-FILHO 1, Alessandro M. ZAGATTO 2, Adelino S. DA SILVA 3, Monique Y. DE ARAÚJO 4, Pablo B. DE ALMEIDA 3, Marcelo PAPOTI 3 ✉
1 Rehabilitation and Functional Performance, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; 2 Physical Education, São Paulo State University, Bauru, São Paulo, Brazil; 3 Scholl of Physical Education and Sports of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; 4 Physiotherapy, São Paulo State University, Presidente Prudente, São Paulo, Brazil
BACKGROUND: Critical power model can be performed in tethered swimming (i.e critical force model). Although critical force can be used to prescribe aerobic training, its determination depends on at least three exhaustive efforts in altered days. In this context, previously studies has demonstrate that critical power model can be estimated by a single 3-min all-out test, which was not investigated in swimming yet. Thus, the aim of this study was to compare the parameters obtained during the tethered swimming 3-min all-out test to those obtained during the traditional critical force model.
METHODS: Seven swimmers (four female and three male) underwent a tethered swimming 3-min all-out test and three exhaustive efforts to determine the traditional critical force parameters (i.e. critical force [CF] and anaerobic impulse capacity [AIC]).
RESULTS: The critical force (CF3-MIN) and force-time integral above the CF3-MIN (AIC3-MIN) determined during the tethered 3-min all-out test were not different to CF and AIC, respectively (p-value > 0.55). However, these parameters were not correlated (p-value > 0.45). In addition, we verified large limits of agreement between CF3MIN and CF (± 19.7 N), which was also observed between AIC3MIN and AIC (± 0.84 Log[N.min]).
CONCLUSIONS: These findings demonstrated that tethered 3-min all-out test should not be used to predict traditional critical force parameters, at least when the swimmers are inexperienced in long tethered all-out efforts.