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. 2012 Mar 9;7(3):e32433. doi: 10.1371/journal.pone.0032433

Figure 3. Increase in EMG activity in the course of the sustained contractions.

Figure 3

Raw FDI EMG and force signals taken from a single subject for the force task (top panel) and the position task (bottom panel). There was a significant increase in EMG amplitude in the force and the position-controlled task.