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The Fatigue Vector: A New Bi-dimensional Parameter for Muscular Fatigue Analysis

  • Conference paper

Part of the IFMBE Proceedings book series (IFMBE,volume 41)

Abstract

The aim of this study is to introduce a new parameter for fatigue investigations, which relies on a bi-dimensional analysis of sEMG signals in temporal and spectral domains. The new parameter, the Fatigue Vector, is defined in a space domain whose coordinates are the amplitude and the mean spectral frequency of the sEMG signal. The performance of the Fatigue Vector has been compared to those of classical parameters. The analysis has been carried on signals recorded from Rectus Femoris, Vastus Lateralis and Vastus Medialis during knee extension repetitions performed until exhaustion. The task was repeated twice with different biomechanical loads in order to test the muscular activity variations with respect to the different force demands.

The performance of the Fatigue Vector in assessing the occurrence of muscular fatigue are promising, and the obtained preliminary results open an interesting scenario for the application of this parameter to several fields.

Keywords

  • Neuromuscular fatigue
  • sEMG
  • biomechanics
  • isometric contractions
  • quadriceps

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© 2014 Springer International Publishing Switzerland

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Conforto, S. et al. (2014). The Fatigue Vector: A New Bi-dimensional Parameter for Muscular Fatigue Analysis. In: Roa Romero, L. (eds) XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013. IFMBE Proceedings, vol 41. Springer, Cham. https://doi.org/10.1007/978-3-319-00846-2_37

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  • DOI: https://doi.org/10.1007/978-3-319-00846-2_37

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-00845-5

  • Online ISBN: 978-3-319-00846-2

  • eBook Packages: EngineeringEngineering (R0)