Age group characteristics
| Age group | Number of subjects | Number of females | Age range (years) | Mean ± SD (years) | Mean speeds (m/s; slow, fast) |
|---|---|---|---|---|---|
| 3–5 y/o | 7 | 2 | 3.1–5.9 | 4.7 ± 0.9 | (0.49, 0.98) |
| 6–8 y/o | 7 | 2 | 6.5–9.0 | 7.9 ± 1.0 | (0.79, 1.57) |
| 9–11 y/o | 7 | 2 | 9.4–11.0 | 10.5 ± 0.6 | (0.75, 1.5) |
| 12–14 y/o | 7 | 2 | 12.4–14.3 | 13.3 ± 0.7 | (0.88, 1.76) |
| 15–17 y/o | 7 | 3 | 15.1–17.9 | 16.3 ± 1.2 | (0.95, 1.90) |
| Young adults (>18 y/o) | 7 | 3 | 19.6–31.5 | 25.5 ± 4.0 | (0.94, 1.89) |