Table 2.
Mean (SD) of trunk motion estimates in the lateral bending plane by measurement method for ensemble averages.*
| Summary measure | LMM | Accel-1 | Comp-1 | Accel-2 | Comp-2 | HM Analyzer |
|---|---|---|---|---|---|---|
| Angular Displacement | ||||||
| Maximum to the Left (°) | −2.2 (1.6) | −3.8 (2.6) | −7.9 (4.8) | −4.9 (2.6) | −3.9 (2.0) | −8.5 (5.9) |
| Mean (°) | 0.5 (0.9) | 0.1 (0.8) | 0.0 (1.1) | 0.1 (0.9) | 0.1 (0.7) | 0.0 (2.2) |
| Maximum to the Right (°) | 4.8 (4.1) | 3.8 (2.9) | 8.8 (7.3) | 4.8 (3.6) | 3.4 (2.3) | 8.1 (10.7) |
| 10th Percentile (°) | −1.7 (1.3) | −2.3 (1.7) | −5.4 (3.6) | −2.9 (1.9) | −2.3 (1.5) | −6.4 (4.7) |
| 90th Percentile (°) | 3.7 (3.7) | 2.6 (2.5) | 6.5 (5.6) | 3.3 (2.9) | 2.4 (2.0) | 6.6 (9.7) |
| 99th Percentile (°) | 4.7 (4.1) | 3.8 (2.9) | 8.7 (7.3) | 4.7 (3.5) | 3.4 (2.3) | 8.1 (10.7) |
| Sample-to-Sample RMSD (°) | -- Ref -- | 2.1 (1.3) | 4.4 (2.5) | 2.1 (1.4) | 2.2 (1.3) | 4.2 (3.5) |
| Absolute Value of Velocity | ||||||
| Mean (°/sec) | 1.9 (1.2) | 3.0 (1.7) | 5.3 (3.5) | 4.0 (1.9) | 2.8 (1.3) | 4.5 (3.6) |
| Maximum (°/sec) | 7.4 (4.7) | 12.8 (7.0) | 19.5 (11.5) | 18.2 (8.4) | 11.5 (5.9) | 19.9 (15.4) |
| 10th Percentile (°/sec) | 0.1 (0.0) | 0.2 (0.1) | 0.3 (0.2) | 0.3 (0.2) | 0.2 (0.1) | 0.2 (0.1) |
| 90th Percentile (°/sec) | 5.2 (3.7) | 7.6 (4.4) | 13.9 (9.2) | 10.3 (5.3) | 7.3 (3.8) | 13.2 (11.6) |
| 99th Percentile (°/sec) | 7.3 (4.7) | 12.3 (7.0) | 19.2 (11.6) | 17.5 (8.4) | 11.2 (5.9) | 19.6 (15.5) |
| Sample-to-Sample RMSD (°/sec) | -- Ref -- | 3.2 (1.7) | 6.4 (4.4) | 4.3 (2.1) | 3.3 (1.6) | 5.5 (4.9) |
| Acceleration | ||||||
| Maximum Deceleration (°/sec2) | −38.7 (10.3) | −94.3 (44.3) | −86.8 (35.9) | −150.3 (74.4) | −77.4 (47.3) | −100.6 (72.2) |
| Maximum Acceleration (°/sec2) | 33.6 (14.8) | 95.2 (46.6) | 94.1 (37.3) | 171.8 (99.5) | 88.4 (57.1) | 126.2 (135.3) |
| 10th Percentile (°/sec2) | −10.8 (4.2) | −32.4 (13.5) | −29.2 (13.4) | −50.1 (19.0) | −23.7 (8.9) | −30.7 (16.1) |
| 90th Percentile (°/sec2) | 11.0 (5.0) | 33.3 (15.1) | 29.6 (13.4) | 49.2 (18.8) | 22.9 (8.1) | 30.6 (17.1) |
| 99th Percentile (°/sec2) | 26.3 (13.3) | 73.3 (35.0) | 69.0 (28.6) | 113.0 (47.2) | 56.9 (32.5) | 75.4 (45.6) |
| Sample-to-Sample RMSD (°/sec2) | -- Ref -- | 28.8 (11.3) | 28.1 (9.8) | 43.2 (15.8) | 23.5 (8.3) | 28.0 (13.4) |
*
Column headers are defined in text and Table 1.