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. Author manuscript; available in PMC: 2014 Jan 4.
Published in final edited form as: J Biomech. 2012 Nov 8;46(1):63–69. doi: 10.1016/j.jbiomech.2012.10.002

Fig. 4.

Fig. 4

Comparisons of a) step length, b) foot angle, c) the center of mass (COM) position, d) COM velocity, e) COM stability, and f) hip height between the treadmill-slip training group (Group A, n = 17) and the over-ground-slip training group (Group B, n = 17). Because these measurements are taken at right foot touchdown during their baseline (unperturbed walking) trials, before (Pre) and after (Post) Group A’s treadmill training (A_5 and A_10) and before Group B’s first slip trial (B_10), they are reflective of the proactive.