Table 3.
Correlation between instrumented Timed Up and Go components and Unified Parkinson’s Disease Rating Scale (UPDRS) motor section scores
| UPDRS motor score | UPDRS bradykinesia | UPDRS gait/posture | UPDRS rigidity | |||||
|---|---|---|---|---|---|---|---|---|
| r | p-value | r | p-value | r | p-value | r | p-value | |
| GAIT | ||||||||
| Upper Body parameters | ||||||||
| Arm Swing Range of Motion (°) | −0.58 | 0.04 | −0.49 | 0.09 | −0.40 | 0.18 | −0.08 | 0.79 |
| Peak Arm Swing Velocity (°/sec) | −0.62 | 0.02 | −0.49 | 0.10 | −0.50 | 0.09 | −0.18 | 0.57 |
| Arm Swing Asymmetry (% lv) | −0.34 | 0.27 | −0.53 | 0.07 | 0.23 | 0.45 | 0.05 | 0.86 |
| Trunk parameters | ||||||||
| Trunk Rotation Range of Motion (°) | −0.02 | 0.94 | 0.06 | 0.84 | 0.01 | 0.97 | −0.50 | 0.09 |
| Peak Trunk Rotation Velocity (°/sec) | −0.22 | 0.49 | −0.14 | 0.65 | −0.17 | 0.58 | −0.68 | 0.01 |
| Lower Body parameters | ||||||||
| Cadence (steps/min) | −0.58 | 0.04 | −0.49 | 0.10 | −0.26 | 0.40 | −0.52 | 0.08 |
| TURNING | ||||||||
| Average Turning Velocity (°/sec) | −0.73 | 0.006 | −0.65 | 0.02 | −0.71 | 0.009 | −0.39 | 0.20 |