Table 5.
Kinematic comparisons between total knee arthroplasty operated and non-operated knees.
| Joint | Event | Side | Mean | Std. Error | P-value |
| Knee | Flexion at heel strike (sagittal plane) | Non-operated | 20.18 | 1.35 | 0.77 |
| Operated | 19.50 | 1.35 | |||
| Knee | Flexion at loading response (sagittal plane) | Non-operated | 23.64 | 0.84 | 0.05 |
| Operated | 20.96 | 1.03 | |||
| Knee | Maximum flexion in stance phase (sagittal plane) | Non-operated | 48.55 | 0.99 | 0.008 |
| Operated | 44.73 | 1.04 | |||
| Knee | Minimum angle in stance phase (sagittal plane, extension) | Non-operated | 6.91 | 0.82 | 0.68 |
| Operated | 7.17 | 0.73 | |||
| Knee | Minimum angle in stance phase (coronal plane, varus) | Non-operated | –4.25 | 1.06 | 0.28 |
| Operated | –3.61 | 0.97 | |||
| Knee | Maximum angle in stance phase (coronal plane, valgus) | Non-operated | 8.38 | 1.40 | 0.85 |
| Operated | 8.55 | 1.09 | |||
| Knee | Range of movement in gait cycle (sagittal plane) | Non-operated | 46.06 | 0.72 | < 0.001 |
| Operated | 41.49 | 0.68 | |||
| Knee | Maximum flexion in gait cycle (sagittal plane) | Non-operated | 52.34 | 1.09 | < 0.001 |
| Operated | 47.97 | 0.99 | |||
| Ankle | Flexion at foot strike | Non-operated | 1.85 | 0.81 | 0.52 |
| Operated | 0.92 | 0.84 | |||
| Hip | Maximum flexion in stance phase | Non-operated | 47.09 | 1.30 | 0.03 |
| Operated | 43.87 | 1.18 |