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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: J Biomech. 2008 Apr 16;41(8):1714–1721. doi: 10.1016/j.jbiomech.2008.03.001

Figure 4.

Figure 4

Biceps (A) and triceps (B) signals during a repeated elbow flexion/extension movement. The processed EMG signal is the black line, and the model-predicted activation is the grey line. Co-contraction of the biceps and triceps is recorded in the EMG signals, but is not predicted by the model.