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. Author manuscript; available in PMC: 2013 Mar 14.
Published in final edited form as: J Appl Biomech. 2012 Aug;28(4):366–373. doi: 10.1123/jab.28.4.366

Table 2.

Preoperative group comparisons

Perturbation Strength p Values
Walking Speed (m/s) 1.53 (0.13) 1.54 (0.09) 0.782
Age (years) 27.5 (10.4) 29.4 (10.4) 0.588
Quadriceps Index (%) 90.5 (10.8) 93.2 (17.9) 0.595
Knee Moments (N·m/kg·m) 0.386 (0.177) 0.310 (0.156) 0.168