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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Med Sci Sports Exerc. 2012 Nov;44(11):2172–2181. doi: 10.1249/MSS.0b013e31825e1d31

Table 3.

Gait variability at standard and maximal speeds between those with and without strength asymmetry.

Standard Speed Maximal Speed P – values

Symmetrical Strength Asymmetrical Strength Symmetrical Strength Asymmetrical Strength Group Effect Speed Effect Group × Speed Interaction
Weight Acceptance Force (%) 2.67 ± 1.27 2.48 ± 0.64 3.65 ± 1.16 5.01 ± 2.37 a 0.277 < 0.001 0.020
Push-off Force (%) 2.37 ± 0.57 2.32 ± 1.28 3.98 ± 1.06 3.49 ± 0.99 0.373 < 0.001 0.428
Weight Acceptance Rate (%) 14.50 ± 10.62 12.95 ± 10.33 15.00 ± 8.58 20.23 ± 10.40 0.596 0.100 0.149
Push-off Rate (%) 11.92 ± 4.97 13.98 ± 10.02 7.94 ± 3.73 8.28 ± 3.97 0.551 0.004 0.571
Step Length (%) 4.51 ± 1.32 3.60 ± 0.81 a 2.93 ± 0.93 3.32 ± 1.17 0.450 0.004 0.034
Foot strike location (SD in cm) 1.58 ± 0.50 1.59 ± 0.60 2.34 ± 0.87 2.47 ± 0.92 0.779 < 0.001 0.736
Stride Width (%) 12.37 ± 5.38 14.24 ± 4.33 20.04 ± 7.75 17.10 ± 6.88 0.803 0.001 0.112
Double-limb Support Time (%) 7.23 ± 1.89 9.73 ± 3.45 8.22 ± 3.33 8.76 ± 3.25 0.063 0.993 0.323
Single-limb Support Time (%) 6.75 ± 4.16 11.32 ± 5.97 6.40 ± 4.01 7.99 ± 2.90 0.034 0.134 0..221
Step Time (%) 2.87 ± 0.92 4.27 ± 1.53 3.68 ± 2.14 3.69 ± 1.88 0.135 0.052 0.190

All values are coefficient of variation (except foot strike location) and are given as the mean ± standard deviation (SD).

a

= difference between groups at a given speed, P < 0.05