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. Author manuscript; available in PMC: 2008 Aug 1.
Published in final edited form as: Clin Neurophysiol. 2007 Jun 19;118(8):1802–1814. doi: 10.1016/j.clinph.2007.05.060

Figure 2.

Figure 2

A typical data set from a representative subject (subject #1) during downward arm movement in a TP trial. Hand acceleration (Panel A), Head angular displacement (Panel B), displacement of COP in both directions (Panel C), and EMGs of all ten muscles recorded (Panels D through H) are displayed. Time zero (t0) corresponds to the initiation of hand action. Note: TA, RF, RA, NFR, and NFL EMG time profiles were inverted (turned into negative values) to avoid superposition of lines; for these muscles negative values of larger magnitude indicate increased muscle activation.