Table 2 Parameters of muscle strength and of dynamic variables characterizing gait pattern of the subjects
| Â | HC | DC | DPN | p-value |
|---|---|---|---|---|
Isometric muscle strength | Â | Â | Â | Â |
Body-mass-normalized plantar flexion (Nm/kg) | 1.07(0.62) | 0.83(0.74) | 0.58(0.24) | 0.153 |
Body-mass-normalized dorsal flexion (Nm/kg) | 0.57(0.12) | 0.47(0.20) | 0.47(0.06) | 0.128 |
Ground reaction force | Â | Â | Â | Â |
Normalized maximal braking force (N/kg) | -1.74(0.45) | -1.69(0.29) | -1.30(0.31) | 0.041 |
Normalized, maximal propelling force (N/kg) | 1.78(0.50) | 2.02(0.34) | 1.42(0.35) | 0.012 |
Normalized braking impulse (Ns/kg) | -0.24(0.08) | -0.26(0.06) | -.24(0.5) | 0.683 |
Normalized propelling impulse (Ns/kg) | 0.20(0.06) | 0.26(0.06) | 0.19(0.09) | 0.085 |
Joint Moment characteristics | Â | Â | Â | Â |
Normalized Maximal Plantar flexion Moment (Nm/kg) | 1.59(0.17) | 1.51(0.21) | 1.64(0.26) | 0.647 |
Normalized plantar flexion moment at 40% of stance phase (Nm/kg) | 0.70(0.12) | 0.82(0.17) | 0.97(0.21) | 0.027 |
Normalized plantar flexion impulse (Nms/kg) | 0.53(0.07) | 0.55(0.10) | 0.70(0.20) | 0.155 |
Normalized maximal knee joint extension moment (Nm/kg) | 0.45(0.36) | 0.42(0.22) | 0.23(0.30) | 0.249 |
Normalized maximal knee joint flexion moment (Nm/kg) | -0.28(0.27) | -0.16(0.11) | -0.29(0.21) | 0.505 |
Normalized maximal hip joint extension moment (Nm/kg) | 0.85(0.40) | 1.09(0.25) | 1.08(0.39) | 0.230 |
Normalized maximal hip joint flexion moment (Nm/kg) | -0.70(0.12) | -0.55(0.26) | -0.75(0.36) | 0.233 |
Support moment curve | Â | Â | Â | Â |
Normalized, First Maximal support Moment (Nm/kg) | 1.52(0.47) | 1.84(0.33) | 1.87(0.32) | 0.150 |
Normalized midstance minimal support moment (Nm/kg) | 0.60(0.21) | 0.85(0.31) | 0.93(0.26) | 0.056 |
Normalized, second Maximal supportMoment (Nm/kg) | 0.86(0.20) | 1.20(0.44) | 1.18(0.33) | 0.065 |
Normalized 'impulse' of support moment (Nms/kg) | 0.54(0.17) | 0.75(0.22) | 0.87(0.22) | 0.021 |