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. Author manuscript; available in PMC: 2015 Dec 13.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2003 Dec;11(4):377–385. doi: 10.1109/TNSRE.2003.819790

Fig. 6.

Fig. 6

COP excursions as a function of reach direction and foot placement. For each subject, the data points represent the COP excursion averaged over three trials for each foot placement. Inequality signs represent group-averaged statistical differences between foot placements for p 0.05. For example, T > S means that the modified tandem stance had a significantly greater center of pressure excursion than the side-by-side stance. The number of subjects that showed individual significance appears within parentheses. (Abbreviations: S1 … S5—subjects one-five; S—side-by-side; W—wide; and T—modified tandem.)