. Author manuscript; available in PMC: 2012 Oct 1.

Published in final edited form as: J Electromyogr Kinesiol. 2011 Aug 6;21(5):754–761. doi: 10.1016/j.jelekin.2011.07.006

Table 2.

Comparison of kinetic, temporal, and spatial gait parameters between normal and overweight groups at self-selected, maximal walking speed.

	Normal weight	Overweight	P
Maximal Gait Speed (m s⁻¹)	1.54 ± 0.25 (1.00 – 1.86)	1.25 ± 0.22 (1.03 – 1.53) ^*	0.004
Weight Acceptance Peak vGRF (BW)	1.28 ± 0.13 (1.10 – 1.50)	1.14 ± 0.11 (0.99 – 1.38) ^*	0.006
Push-off Peak vGRF (BW)	1.08 ± 0.07 (0.92 – 1.23)	1.03 ± 0.07 (0.93 – 1.21)	0.134
Weight Acceptance Rate (BW s⁻¹)	15.7 ± 5.5 (7.8 – 28.7)	11.9 ± 6.1 (4.6 – 23.1)	0.121
Push-off Rate (BW s⁻¹)	−9.9 ± 1.7 (−6.8 – −12.7)	−8.1 ± 2.0 (−5.7 – −11.4) ^*	0.026
Stride Rate (strides min⁻¹)	62.0 ± 4.3 (55.6 – 67.6)	56.9 ± 6.9 (51.0 – 66.0) ^*	0.049
Stride Length (m)	1.45 ± 0.15 (1.10 – 1.58)	1.28 ± 0.16 (1.06 – 1.54) ^*	0.015
Stride Width (m)	0.12 ± 0.02 (0.10 – 0.17)	0.14 ± 0.04 (0.07 – 0.26)	0.228
Foot-ground Contact Time (s)	0.62 ± 0.06 (0.56 – 0.73)	0.70 ± 0.08 (0.60 – 0.78) ^*	0.013
Double-limb Support Time (s)	0.14 ± 0.03 (0.11 – 0.19)	0.17 ± 0.03 (0.13 – 0.22) ^*	0.006
Single-limb Support Time (s)	0.35 ± 0.02 (0.31 – 0.38)	0.35 ± 0.03 (0.29 – 0.39)	0.756

Values are mean ± SD (range)

difference between groups, P <0.05

vGRF = vertical ground reaction force

BW = body weights