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. Author manuscript; available in PMC: 2010 Feb 23.
Published in final edited form as: J Electromyogr Kinesiol. 2010 Feb;20(1):148–154. doi: 10.1016/j.jelekin.2008.12.003

Fig. 3.

Fig. 3

Subjects with moderate and severe OA showed higher peak and mean muscle activity for the quadriceps and hamstrings when compared to the control group at all of the walking speeds, although this difference was not significant at all conditions. (A) Mean quadriceps was significantly higher in persons with moderate OA, and (B) the same group showed significantly higher peak quadriceps and hamstrings activity. (*) indicates significant differences between the moderate and control groups (p ≤ 0.05).