Force fluctuations are modulated by alternate muscle activity of knee extensor synergists during low-level sustained contraction.

@article{Kouzaki2004ForceFA,
  title={Force fluctuations are modulated by alternate muscle activity of knee extensor synergists during low-level sustained contraction.},
  author={Motoki Kouzaki and Minoru Shinohara and Kei Masani and Tetsuo Fukunaga},
  journal={Journal of applied physiology},
  year={2004},
  volume={97 6},
  pages={
          2121-31
        }
}
The study examined the hypothesis that altered synergistic activation of the knee extensors leads to cyclic modulation of the force fluctuations. To test this hypothesis, the force fluctuations were investigated during sustained knee extension at 2.5% of maximal voluntary contraction force for 60 min in 11 men. Surface electromyograms (EMG) were recorded from the rectus femoris (RF), vastus lateralis (VL), and vastus medialis (VM) muscles. The SD of force and average EMG (AEMG) of each muscle… CONTINUE READING

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