Table 3 Data are means and standard deviations for ground reaction forces (GRFs) and their time-to-peak, during running in individuals with and without PF
Ground reaction forces | WPF group | PF group | Main effect of group (eta squared) | Main effect of condition (eta squared) | Group-by-condition interaction (eta squared) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Pre | Post | ∆% | 95%CI | Pre | Post | ∆% | 95%CI | ||||
FxHC (% BW) | 10.18 ± 7.38 | 6.96 ± 2.85 | -31.63 | -2.46, 8.89 | 7.82 ± 2.93 | 5.41 ± 1.42 | -30.81 | 0.06, 4.75 | 0.093 (0.770) | 0.064 (0.853) | 0.782 (0.127) |
FxPO (% BW) | -11.12 ± 4.47 | -10.3 ± 3.27 | -7.37 | -3.81, 2.15 | -14.53 ± 3.94 | -10.87 ± 3.35 | -25.18 | -7.81, 0.5 | 0.086 (0.787) | 0.062 (0.860) | 0.228 (0.540) |
FyHC (% BW) | -33.12 ± 13.11 | -27.27 ± 10.19 | -17.66 | -17.2, 5.480 | -23.58 ± 8.49 | -26.04 ± 6.32 | 10.43 | -4.23, 9.15 | 0.069 (0.837) | 0.584 (0.247) | 0.188 (0.594) |
FyPO (% BW) | 21.67 ± 8.98 | 18.55 ± 5.59 | -14.39 | -5.39, 11.62 | 23.27 ± 6.62 | 23.43 ± 5.08 | 0.68 | -6.25, 5.92 | 0.041 (0.950)* | 0.546 (0.271) | 0.503 (0.300) |
FzHC (% BW) | 245.4 ± 68.06 | 191.34 ± 46.82 | -22.02 | 2.18, 105.92 | 251.46 ± 53.32 | 220.2 ± 36.25 | -12.43 | -10.05, 72.57 | 0.285 (0.478) | 0.011 (1.226)* | 0.461 (0.327) |
Positive FM %(BW*height) × 10-3 | 0.36 ± 0.22 | 0.31 ± 0.14 | -13.88 | -0.12, 0.22 | 0.71 ± 0.25 | 0.48 ± 0.15 | -32.29 | -0.02, 0.47 | 0.405 (0.369) | 0.128 (0.692) | 0.557 (0.263) |
Negative FM %(BW*height) × 10-3 | -0.40 ± 0.25 | -0.28 ± 0.14 | -30 | -0.34, 0.08 | -0.33 ± 0.19 | -0.27 ± 0.1 | -18.18 | -0.18, 0.06 | 0.001 (2.293) | 0.056 (0.886) | 0.207 (0.569) |
TTPFxHC (ms) | 29.36 ± 8.95 | 31.8 ± 7.66 | 8.31 | -9.77, 4.89 | 29.21 ± 8.58 | 29.27 ± 4.61 | 0.20 | -7.28, 7.16 | 0.549 (0.263) | 0.597 (0.238) | 0.615 (0.220) |
TTPFxPO (ms) | 103.22 ± 43.23 | 94.97 ± 43.72 | -7.99 | -35.74, 52.24 | 163.57 ± 29.9 | 96.09 ± 27.94 | -41.25 | 39.07, 95.89 | 0.005 (1.372)* | 0.005 (1.366)* | 0.023 (1.068)* |
TTPFyHC (ms) | 56.08 ± 25.04 | 73.02 ± 10.11 | 30.20 | -37.12, 3.23 | 83.48 ± 9.85 | 75.75 ± 9.02 | -9.25 | -0.4, 15.85 | 0.001 (1.719)* | 0.377 (0.392) | 0.025 (1.056)* |
TTPFyPO (ms) | 232.24 ± 28.95 | 225.13 ± 22.09 | -3.06 | -24.03, 38.25 | 243.69 ± 11.90 | 220.54 ± 18.73 | -9.49 | 6.15, 40.14 | 0.350 (0.419) | 0.081 (0.800) | 0.342 (0.424) |
TTPFzHC (ms) | 33.22 ± 10.15 | 31.38 ± 10.12 | -5.53 | -8.77, 12.44 | 46.9 ± 7.93 | 33.9 ± 14.63 | -27.71 | 5.13, 20.86 | 0.012 (1.198)* | 0.153 (0.648) | 0.045 (0.931)* |