TABLE 4.

Kinematic gait variables

Variable	All trials n = 104	Preferred speed n = 26	Maximum speed n = 26
Speed (m/s)
Maximum	3.001	1.567	3.001
Minimum	0.887	1.117	1.79
Mean ± SD	1.609 ± 0.431	1.350 ± 0.117	2.194 ± 0.289
Stride length (m)
Maximum	1.978	1.704	1.978
Minimum	1.083	1.139	1.509
Mean ± SD	1.487 ± 0.193	1.383 ± 0.125	1.703 ± 0.121
Stride length/limb length
Maximum	2.592	2.139	2.592
Minimum	1.448	1.652	1.908
Mean ± SD	1.991 ± 0.247	1.852 ± 0.131	2.270 ± 0.172
Stride length/Height
Maximum	1.148	0.948	1.148
Minimum	0.651	0.735	0.903
Mean ± SD	0.885 ± 0.110	0.821 ± 0.057	1.011 ± 0.067
Stride frequency (Hz)
Maximum	1.82	1.12	1.82
Minimum	0.74	0.89	1.02
Mean ± SD	1.07 ± 0.18	0.98 ± 0.05	1.29 ± 0.18
Pelvic rotation ROM (deg)
Maximum	35.6	20.1	35.6
Minimum	5.9	5.9	11.1
Mean ± SD	14.4 ± 5.5	12.0 ± 4.3	17.8 ± 6.4
Sacrum vertical movement (cm)
Maximum	7.68	6.43	7.68
Minimum	1.76	1.76	2.58
Mean ± SD	4.15 ± 1.29	3.89 ± 1.15	5.03 ± 1.46
Hip sagittal ROM (deg)
Maximum	69.8	69.8	61.4
Minimum	34.5	38.2	45.4
Mean ± SD	49.1 ± 6.7	46.2 ± 5.1	54.9 ± 5.5

Summary statistics for the pooled-sex sample. t-Tests showed that the values for all variables were significantly greater in the maximum speed trials than in the preferred speed trials.