TABLE 2.
Mean values (±SD) for the main 0D parameters in IRS and NRS.
Variable | IRS | NRS | P | Cohen’s d |
---|---|---|---|---|
Contact time (ms) | 205.9 ± 18.1 | 204.5 ± 17.5 | 0.079 | 0.177 |
Braking phase (ms) | 117.3 ± 16.5 | 108.1 ± 9.4 | 0.019 a | 0.264 |
Push-off phase (ms) | 90.9 ± 15.5 | 96.5 ± 11.8 | 0.061 | 0.061 |
Step frequency | 187.8 ± 9.2 | 185.7 ± 9.1 | 0.410 | 0.529 |
Step length(m) | 2.18 ± 0.07 | 2.17 ± 0.06 | 0.400 | 0.476 |
Average loading rate 1 (BW/s) | 78.4 ± 20.6 | 99.9 ± 24.4 | 0.005 a | 0.606 |
Peak loading rate 1 (BW/s) | 106.7 ± 35.6 | 169.4 ± 32.2 | 0.000 a | 0.850 |
Peak vertical force 1 (BW) | 1.93 ± 0.27 | 2.12 ± 0.27 | 0.002 a | 0.548 |
Time to peak vertical force 1 (ms) | 39.1 ± 11.0 | 28.9 ± 5.0 | 0.001 a | 0.560 |
Peak braking force (BW) | 0.42 ± 0.08 | 0.46 ± 0.07 | 0.003 a | 0.362 |
MTPJ peak plantarflexion moment (Nm/kg) | 1.56 ± 0.27 | 1.80 ± 0.37 | 0.047 a | 0.298 |
MTPJ peak dorsiflexion angle (°) | 16.2 ± 5.5 | 20.6 ± 3.8 | 0.002 a | 0.273 |
MTPJ ROM in the sagittal plane (°) | 18.0 ± 2.7 | 19.7 ± 3.0 | 0.000 a | 0.551 |
MTPJ peak dorsiflexion velocity (°/sec) | 352.9 ± 48.2 | 396.0 ± 55.5 | 0.000 a | 0.448 |
MTPJ negative work in the sagittal plane (J/kg) | 0.06 ± 0.02 | 0.07 ± 0.03 | 0.383 | 0.071 |
MTPJ positive work in the sagittal plane (J/kg) | 0.004 ± 0.001 | 0.005 ± 0.002 | 0.172 | 0.133 |
Ankle negative work in the sagittal plane (J/kg) | 0.44 ± 0.07 | 0.46 ± 0.08 | 0.225 | 0.267 |
Ankle positive work in the sagittal plane (J/kg) | 0.46 ± 0.07 | 0.46 ± 0.07 | 0.267 | 0.225 |
Peak ankle plantarflexion moment (Nm/kg) | 2.36 ± 0.27 | 2.21 ± 0.24 | 0.196 | 0.187 |
Peak knee flexion moment (Nm/kg) | 2.84 ± 0.31 | 2.69 ± 0.44 | 0.168 | 0.128 |
Ankle dorsiflexion angle at contact (°) | 11.8 ± 5.2 | 9.4 ± 3.7 | 0.023 a | 0.546 |
Peak ankle eversion angle (°) | 11.0 ± 4.6 | 10.2 ± 3.3 | 0.296 | 0.097 |
Peak ankle eversion velocity (°/sec) | 299.9 ± 92.9 | 292.5 ± 51.8 | 0.557 | 0.557 |
Note: showed a significant effect between IRS and NRS; GRF was normalized to body weight (B.W.).