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. Author manuscript; available in PMC: 2013 Jun 21.
Published in final edited form as: J Electromyogr Kinesiol. 2008 Dec 10;19(6):1085–1091. doi: 10.1016/j.jelekin.2008.10.008

Fig. 2.

Fig. 2

Mean normalized electromyographic activities for the young and older adults during phases of the gait cycle where muscle activity showed a significant speed–age interaction. The asterisk (*) denote where age was a significant factor in post-hoc tests.