Table 2.
Step kinematics of individuals performing lateral steps. Mean±standard error of step width, step length, step angle (atan (step width/step length)) and the peak lateral velocity of older and younger performing long medium and short sidesteps and crossover steps are shown.
| Group | Distance | Step type | Step width (cm) | Step length (cm) | Step angle (deg) | Peak lateral velocity (cm/s) | Forward walking speed (cm/s) |
|---|---|---|---|---|---|---|---|
| Old | Long | Sidestep | 57.4±1.2 | 55.5±2.5 | 46.3±1.4 | 77.3±1.2 | 105.5±39.6 |
| Young | 59.5±1.1 | 69.7±1.4 | 40.4±0.9 | 84.2±0.8 | 141.3±42.1 | ||
| Old | Long | Crossover | 53.8±1.0 | 63.2±1.7 | 40.6±0.8 | 77.2±1.0 | 104.4±33.3 |
| Young | 55.5±0.9 | 73.3±1.4 | 37.2±1.0 | 84.0±1.2 | 139.1±39.3 | ||
| Old | Medium | Sidestep | 43.1±0.8 | 62.6±2.4 | 35±1.2 | 57.2±1.0 | 116.2±36.6 |
| Young | 44.7±0.8 | 71.8±1.2 | 31.8±0.9 | 61.2±0.9 | 144.4±40.4 | ||
| Old | Medium | Crossover | 38.8±0.9 | 68.3±2.3 | 29.8±0.9 | 56.8±1.0 | 113.7±38.9 |
| Young | 40.4±0.9 | 75.3±1.3 | 28.3±1.0 | 63±1.0 | 143.2±38.2 | ||
| Old | Short | Sidestep | 29.6±0.8 | 61.6±2.4 | 26.1±1.0 | 39.3±0.8 | 117.9±40.3 |
| Young | 31.2±0.8 | 72.2±1.3 | 23.6±0.8 | 42.1±0.9 | 147.8±38.6 | ||
| Old | Short | Crossover | 23.9±0.8 | 66.5±2.1 | 20.0±0.8 | 37.1±0.8 | 117.5±35.8 |
| Young | 25.0±0.8 | 75.1±1.0 | 19.0±0.7 | 41.7±0.8 | 146.7±34.9 |