Electromechanical delay in the vastus lateralis muscle during dynamic isometric contractions

@article{Vos1990ElectromechanicalDI,
  title={Electromechanical delay in the vastus lateralis muscle during dynamic isometric contractions},
  author={E. J. Vos and M G Mullender and Gerrit Jan van Ingen Schenau},
  journal={European Journal of Applied Physiology and Occupational Physiology},
  year={1990},
  volume={60},
  pages={467-471}
}
Electromechanical delay (EMD) values were obtained using a cross-correlation technique for a series of 14 repetitive submaximal dynamic isometric contractions of the vastus lateralis performed by five subjects. To avoid a phase lag, which is introduced with one-way filtering, the EMG was processed with a bi-directional application of a second-order Butterworth filter. A mean EMD value of 86 ms (SD=5.1 ms) was found. Moreover, contraction and relaxation delays were computed and compared. There… CONTINUE READING
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