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. Author manuscript; available in PMC: 2007 Nov 26.
Published in final edited form as: Parkinsonism Relat Disord. 2006 May 30;12(6):363–371. doi: 10.1016/j.parkreldis.2006.01.008

Fig. 5.

Fig. 5

Effect of no preload, a 5% preload, and a 25% preload on active torque return times in healthy control subjects (black bars) and dystonic subjects (gray bars) at the wrist (left panel) and elbow (right panel). Data are the mean and standard error.