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Biomechanical analysis of the muscular power of martial arts athletes

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Abstract

This study analyzes the performance of knee extension and flexion of Taekwondo and Kickboxing athletes. The power values were extracted through electromyography obtained by an isokinetic dynamometer at 60° per second. These values are resulted from the square of the electromyography signal. The analysis of kick power was made using a modified wavelet algorithm considering values with 95% significance. Both groups presented equivalent power and torque capacity with different training times and experience, on the other hand, the wavelet analysis showed better results in muscular recruitment performance in athletes with more experience, in other words, power is not only performance but also power plus recruitment produces better results. This study uniquely showed that muscular enhancement capacity is not only related to the power capacity of contraction but also to motor coordination.

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Notes

  1. In this case, power is the value obtained from the square of the electromyography signal using the wavelet as a logic filter with 5% of significance considered for this calculus. It is similar to RMS with statistical criteria.

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Acknowledgments

We also thank Prof. Haroldo Fraga de Campos Velho and Carlos Alberto Kelencz for helping obtain the data and all the volunteers.

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Authors and Affiliations

  1. Instituto de Pesquisa e, Desenvolvimento Universidade do Vale do Paraíba, Av. Shishima Hifumi, 2911, Sao Jose dos Campos, SP, 12244-000, Brazil

    S. M. Machado, R. A. L. Osório & N. S. Silva

  2. Universidade Federal Fluminense, Pólo Universitário de Rio das Ostras, Departamento de Ciência e Tecnologia, R. Recife, s/n., Rio das Ostras, RJ, 28890-000, Brazil

    M. Magini

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  1. S. M. Machado
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  2. R. A. L. Osório
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  3. N. S. Silva
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  4. M. Magini
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Correspondence to M. Magini.

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Machado, S.M., Osório, R.A.L., Silva, N.S. et al. Biomechanical analysis of the muscular power of martial arts athletes. Med Biol Eng Comput 48, 573–577 (2010). https://doi.org/10.1007/s11517-010-0608-z

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  • DOI: https://doi.org/10.1007/s11517-010-0608-z

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