Variable | Barefoot | Stability | Neutral | P value barefoot v high-support | P value barefoot v low-support | P value high-support v low-support |
---|---|---|---|---|---|---|
Peak KFM (Nm/kg) | 2.24 ± 0.41 | 2.67 ± 0.41a | 2.62 ± 0.39a | < 0.001 | < 0.001 | 0.06 |
Running velocity (m/s) | 3.12 ± 0.20 | 3.12 ± 0.21 | 3.14 ± 0.21 | 0.76 | 0.07 | 0.41 |
Stance time (s) | 0.23 ± 0.03 | 0.25 ± 0.02a | 0.25 ± 0.02a | < 0.001 | < 0.001 | 0.08 |
Sagittal plane knee-GRF lever arm (mm)c | 103.75 ± 18.05 | 119.50 ± 18.04ab | 117.29 ± 17.05a | < 0.001 | < 0.001 | 0.04 |
Sagittal plane resultant GRF magnitude (BW)c | 2.48 ± 0.45 | 2.55 ± 0.44a | 2.56 ± 0.44a | < 0.001 | < 0.001 | 0.27 |
Hip flexion angle (°)c | 37.64 ± 7.60 | 40.45 ± 8.04a | 40.04 ± 7.58a | < 0.001 | < 0.001 | 0.43 |
Knee flexion angle (°)c | 46.96 ± 4.52 | 48.99 ± 4.84a | 49.36 ± 4.10a | < 0.001 | < 0.001 | 0.32 |
Knee flexion at initial contact (°) | 19.11 ± 4.30 | 16.16 ± 4.40ab | 17.64 ± 5.83a | < 0.001 | 0.02 | 0.04 |
Knee flexion excursion (°) | 32.40 ± 4.79 | 36.21 ± 4.22a | 36.31 ± 4.32a | < 0.001 | < 0.001 | 0.77 |
Ankle dorsiflexion angle (°)c | 19.01 ± 3.81 | 20.17 ± 3.08a | 19.75 ± 3.37 | 0.01 | 0.12 | 0.12 |