Table 1. Mean and standard deviation for independent and dependent variables in both conditions and for each walking-speed.
| Perturbed-walking condition | 0.8 m/s | 1.2 m/s | 1.6 m/s |
| DP | 25.1±3.5 | 27.8±2.5 | 28.6±2.4 |
| NJI | 0.16±0.07 | 0.22±0.14 | 0.24±0.14 |
| Normal-walking condition | 0.8 m/s | 1.2 m/s | 1.6 m/s |
| PA1 RMS* | 25.6±4.5 | 36.1±5.2 | 44.3±6.7 |
| PA2 RMS* | 14.0±2.5 | 13.2±1.8 | 11.8±1.8 |
| PA3 RMS* | 24.9±4.0 | 31.4±4.1 | 35.0±4.7 |
| PA4 RMS* | 8.6±1.7 | 10.1±1.3 | 10.9±1.4 |
| PA5RMS* | 4.1±1.0 | 4.8±1.1 | 5.6±1.4 |
| PA6 RMS* | 5.0±1.0 | 5.3±0.9 | 5.8±1.1 |
| PA7RMS* | 8.1±1.4 | 11.8±.17 | 14.6±2.4 |
(* non-normalized values for PAkRMS).