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. Author manuscript; available in PMC: 2009 Nov 11.
Published in final edited form as: Clin Biomech (Bristol). 2007 Dec 21;23(4):450–458. doi: 10.1016/j.clinbiomech.2007.11.007

Fig. 4.

Fig. 4

Peak of COP-COM time series during backward and forward leaning. (A) Example of COP-COM time-series for a representative control subject. (B) COP-COM peaks for control and parkinsonian subjects (mean and SD). *P < 0.05.