Table 2.
Comparison of kinetic and kinematic gait parameters in PD patients and the control group
| Parameters (Mean ±SD) | Group C, the control subjects | Group A Early PD | Group B, late ambulant PD | |
|---|---|---|---|---|
| Comparison | - | A and control | B and control | A and B |
| 1- Kinetic parameters and Gait cycle | ||||
| Walking speed (m/s) | 0.85 ± 0.09 | 0.98 ± 0.08*(*p<0.05) | 1.13 ± 0.08*(*p<0.05) | (*P <0.05) |
| Cadence(steps/min) | 108.83 ± 9.33 | 92.50 ± 5.05*(*p<0.05) | 80.76 ± 5.69*(*p<0.05) | (*P <0.05) |
| Stride length(m) | 1.36 ± 0.06 | 1.29 ± 0.08*(*p<0.05) | 1.27 ± 0.11(*p<0.05) | (P > 0.05) NS |
| Stride time(s) | 1.21 ± 0.12 | 1.24 ± 0.05(p > 0.05) NS | 1.29 ± 0.10(p > 0.05) NS | (P > 0.05) NS |
| 2- Kinematic parameters(Joint rotation angles) | ||||
| Maximum hip extension on stance(degrees) | –15.47 ± 2.69 | –7.60 ± 1.84*(*p<0.05) | –5.56 ± 1.23*(*p<0.05) | (*P <0.05) |
| Maximum hip flexion on swing(degrees) | 29.81 ± 5.75 | 14.95 ± 3.40*(*p<0.05) | 10.89 ± 2.90*(*p<0.05) | (*P <0.05) |
| Maximum knee flexion on swing(degrees) | 46.74 ± 3.50 | 39.50 ± 5.91*(*p<0.05) | 33.30 ± 4.62*(*p<0.05) | (*P <0.05) |
| Plantar flexion Ankle(degrees) | –0.42 ± 0.07 | 0.42 ± 0.05(p > 0.05) NS | –0.39 ± 0.07(p > 0.05) NS | (P > 0.05) NS |