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Journal article

Peripheral and central fatigue after high intensity resistance circuit training

  • Márquez, Gonzalo Department of Physical Education and Sport, Faculty of Sport Sciences, Catholic University of Murcia, Spain
  • Romero-Arenas, Salvador Department of Physical Education and Sport, Faculty of Sport Sciences, Catholic University of Murcia, Spain
  • Marín-Pagán, Cristian Research Center for High Performance Sport. Catholic University of Murcia (UCAM), Murcia, Spain
  • Vera-Ibañez, Antonio Department of Physical Education and Sport, Faculty of Sport Sciences, Catholic University of Murcia, Spain
  • Olmo, Miguel Fernández del Learning and Human Movement Control Group, Department of Physical Education and Sport, Faculty Sport Sciences and Physical Activity, University of A Coruña, Spain
  • Taube, Wolfgang Department of Medicine, Movement and Sports Science, University of Fribourg, Switzerland
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    01.07.2017
Published in:
  • Muscle & Nerve. - 2017, vol. 56, no. 1, p. 152–159
fatigue
metabolic response
perception of effort
resistance training
neuromuscular function
twitch interpolation technique
English Introduction: The aim of this study was to investigate the effects of high intensity resistance circuit (HIRC) and traditional strength training (TST) on neuromuscular fatigue and metabolic responses.Methods: Twelve trained young subjects performed HIRC and TST in a counterbalanced order with 1 week rest in-between. The amount of workload and the inter-set time for each local muscle group were matched (180 s), however, the time between successive exercises differed. The twitch interpolation technique was used to test neuromuscular function of the knee extensor muscles. Blood lactate concentration was used to evaluate metabolic responses.Results: Maximum voluntary contraction and resting potentiated twitch amplitude (Qtw) were significantly reduced after HIRC, but there were not changes after TST, while reductions in voluntary activation were similar. Lactate concentration increased significantly more after HIRC.Conclusions: The higher lactate concentration after HIRC probably impaired excitation-contraction coupling, indicating larger peripheral fatigue than after TST
Faculty
Faculté des sciences et de médecine
Department
Département de Médecine
Language
  • English
Classification
Sports sciences
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/305936
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