Table 4 Movement pattern changes in different groups and conditions between quiet stance and vibration period 1 and between vibration period 1 and period 4 during tests with eyes closed and eyes open.
Body movement coordination*,** | Quiet stance vs. Vibration Period 1 | Vibration Period 1 vs. Period 4 | ||
|---|---|---|---|---|
Eyes closed | Eyes open | Eyes closed | Eyes open | |
PD OFF | ||||
Head–Shoulder | 0.570 (0.98) | 0.922 (1.00) | 0.031 (1.04) | 0.232 (1.01) |
Shoulder–Hip | 0.641 (1.02) | 0.557 (1.11) | 0.813 (1.01) | 0.049 (1.14) |
Head–Hip | 0.945 (1.00) | 0.049 (1.12) | 0.469 (1.06) | 0.432 (1.14) |
Hip–Knee | 0.313 (1.15) | 0.375 (1.02) | 0.031 (1.10) | 0.131 (1.03) |
Shoulder–Knee | 0.250 (1.12) | 0.027 (1.20) | 0.047 (1.09) | 0.084 (1.14) |
Head–Knee | 0.203 (1.11) | 0.084 (1.23) | 0.031 (1.11) | 0.232 (1.15) |
PD ON | ||||
Head–Shoulder | 0.375 (0.95) | 0.492 (1.00) | 0.014 (1.15) | 0.064 (1.092) |
Shoulder–Hip | 0.922 (0.99) | 0.432 (1.09) | 0.010 (1.06) | 0.020 (1.05) |
Head–Hip | 0.432 (1.06) | 0.625 (1.13) | 0.004 (1.16) | 0.160 (1.08) |
Hip–Knee | 0.084 (1.19) | 0.074 (1.20) | 0.193 (1.09) | 0.027 (1.05) |
Shoulder–Knee | 0.084 (1.24) | 0.129 (1.27) | 0.275 (1.09) | 0.098 (1.02) |
Head–Knee | 0.193 (1.26) | 0.426 (1.27) | 0.131 (1.15) | 0.039 (1.03) |
Old controls | ||||
Head–Shoulder | < 0.001 (1.07) | 0.017 (1.07) | 0.517 (1.00) | 0.120 (1.01) |
Shoulder–Hip | 0.145 (1.07) | 0.034 (1.12) | 0.013 (1.04) | 0.528 (0.98) |
Head–Hip | 0.057 (1.18) | 0.029 (1.20) | 0.051 (1.04) | 0.821 (0.98) |
Hip–Knee | 0.020 (1.17) | 0.006 (1.37) | 0.353 (0.99) | 0.821 (0.93) |
Shoulder–Knee | 0.031 (1.29) | 0.035 (1.51) | 0.190 (1.04) | 0.712 (1.05) |
Head–Knee | 0.004 (1.51) | 0.017 (1.63) | 0.190 (1.05) | 0.963 (1.04) |
Young controls | ||||
Head–Shoulder | < 0.001 (1.08) | < 0.001 (1.09) | 0.560 (0.99) | 0.252 (1.01) |
Shoulder–Hip | 0.001 (1.06) | < 0.001 (1.20) | 0.353 (1.01) | 0.895 (1.00) |
Head–Hip | 0.002 (1.09) | 0.001 (1.29) | 0.263 (1.01) | 0.937 (1.02) |
Hip–Knee | 0.353 (1.04) | 0.002 (1.13) | 0.096 (1.09) | 0.411 (0.98) |
Shoulder–Knee | 0.075 (1.18) | < 0.001 (1.40) | 0.107 (1.08) | 0.080 (0.94) |
Head–Knee | 0.020 (1.23) | < 0.001 (1.53) | 0.220 (1.06) | 0.148 (0.95) |