Table 2.
Concurrent validity between the first IMU assessment performed on the first day of measurements and CROM by groups.
| Spatial Plane | IMU First Assessment on the First Day (Standard Deviation) | CROM Assessment (Standard Deviation) | Pearson r (p-Value) | Student’s t-test (p-Value) |
|---|---|---|---|---|
| CP group (n = 23) | ||||
| Flexion-Extension | 133.3 (24.6) | 129.0 (22.4) | 0.969 (<0.001) | −3.333 (0.003) |
| Rotational | 153.5 (19.9) | 145.3 (14.7) | 0.601 (0.003) | −2.396 (0.026) |
| Side-bending | 91.3 (25.7) | 96.1 (23.3) | 0.916 (<0.001) | 2.236 (0.036) |
| Control group (n = 23) | ||||
| Flexion-Extension | 137.0 (24.5) | 133.3 (23.9) | 0.992 (<0.001) | −5.771 (<0.001) |
| Rotational | 147.0 (19.0) | 146.1 (16.1) | 0.786 (<0.001) | −0.371 (0.714) |
| Side-bending | 90.7 (17.5) | 94.9 (18.9) | 0.949 (<0.001) | 3.413 (0.002) |
Abbreviations: IMU, Inertial Measurement Unit; CROM, Cervical Range of Motion; CI, confidence interval; CP, cerebral palsy. Evaluation data are expressed in degrees.