Table 3:
Mean (SD) of postural sway measures for each of the balance tasks across all four trials (2 sessions x 2 visits).
| Task | RMS Pitch Position deg |
RMS Roll Position deg |
RMS Pitch Velocity deg/s |
RMS Roll Velocity deg/s |
RMS AP Accel. m/s2 |
RMS ML Accel. m/s2 |
|---|---|---|---|---|---|---|
| 1 | 0.39 (0.18) | 0.13 (0.08) | 0.45 (0.20) | 0.17 (0.08) | 0.07 (0.03) | 0.02 (0.01) |
| 2 | 0.40 (0.18) | 0.16 (0.07) | 0.71 (0.27) | 0.74 (0.49) | 0.07 (0.03) | 0.06 (0.03) |
| 3 | 0.56 (0.22) | 0.14 (0.06) | 2.03 (1.15) | 0.37 (0.20) | 0.12 (0.04) | 0.03 (0.01) |
| 4 | 0.51 (0.28) | 0.34 (0.13) | 0.70 (0.37) | 0.46 (0.24) | 0.09 (0.05) | 0.07 (0.03) |
| 5 | 0.57 (0.27) | 0.45 (0.23) | 1.14 (0.52) | 1.09 (0.59) | 0.11 (0.05) | 0.12 (0.05) |
| 6 | 0.68 (0.30) | 0.45 (0.20) | 2.16 (1.24) | 0.87 (0.43) | 0.15 (0.05) | 0.10 (0.04) |
| 7 | 0.41 (0.25) | 0.13 (0.09) | 0.52 (0.53) | 0.19 (0.17) | 0.07 (0.05) | 0.02 (0.02) |
| 8 | 0.44 (0.19) | 0.21 (0.10) | 0.90 (0.39) | 1.05 (0.77) | 0.08 (0.04) | 0.08 (0.05) |
| 9 | 0.66 (0.27) | 0.16 (0.07) | 2.50 (1.33) | 0.45 (0.21) | 0.14 (0.05) | 0.03 (0.01) |
| 10 | 0.57 (0.38) | 0.39 (0.20) | 0.86 (0.43) | 0.58 (0.28) | 0.10 (0.06) | 0.09 (0.04) |
| 11 | 0.72 (0.39) | 0.56 (0.29) | 1.47 (0.67) | 1.41 (0.69) | 0.14 (0.07) | 0.15 (0.06) |
| 12 | 0.79 (0.36) | 0.53 (0.26) | 2.61 (1.38) | 1.09 (0.57) | 0.17 (0.06) | 0.13 (0.05) |
| 13 | 0.53 (0.23) | 0.25 (0.10) | 0.67 (0.28) | 0.37 (0.15) | 0.10 (0.04) | 0.05 (0.02) |
| 14 | 0.73 (0.27) | 0.34 (0.14) | 1.20 (0.51) | 0.99 (0.57) | 0.14 (0.05) | 0.10 (0.04) |
| 15 | 0.89 (0.36) | 0.33 (0.16) | 2.46 (1.21) | 0.66 (0.26) | 0.18 (0.06) | 0.07 (0.03) |
| 16 | 0.69 (0.35) | 0.60 (0.29) | 1.13 (0.61) | 1.10 (0.59) | 0.12 (0.06) | 0.12 (0.05) |
| 17 | 0.96 (0.46) | 0.95 (0.44) | 1.89 (0.90) | 2.30 (1.14) | 0.18 (0.08) | 0.21 (0.08) |
| 18 | 1.03 (0.48) | 0.87 (0.40) | 2.82 (1.35) | 1.87 (0.83) | 0.20 (0.08) | 0.19 (0.07) |
| 19 | 0.68 (0.30) | 0.29 (0.15) | 0.90 (0.45) | 0.45 (0.25) | 0.13 (0.05) | 0.06 (0.03) |
| 20 | 1.01 (0.48) | 0.41 (0.16) | 1.69 (0.79) | 1.30 (0.70) | 0.20 (0.08) | 0.12 (0.05) |
| 21 | 1.15 (0.49) | 0.38 (0.15) | 3.04 (1.34) | 0.81 (0.31) | 0.24 (0.09) | 0.09 (0.04) |
| 22 | 1.01 (0.77) | 0.80 (0.44) | 1.74 (1.31) | 1.65 (1.04) | 0.19 (0.12) | 0.17 (0.08) |
| 23 | 1.25 (0.47) | 1.42 (0.64) | 2.55 (1.14) | 3.49 (1.77) | 0.24 (0.07) | 0.30 (0.11) |
| 24 | 1.41 (0.68) | 1.28 (0.72) | 3.47 (1.58) | 2.96 (1.78) | 0.28 (0.11) | 0.27 (0.12) |