Table 3.
ANOVA results for postural control parameters during single-leg stance on the affected limb across conditions.
| Condition | Effect | Statistic | COP parameter | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| DOT | Rsw | Rfa | SD (ML) | SD (AP) | MV (ML) | MV(AP) | TMV | Area | |||
| SHO | Group | F-ratio | 2.65 | 1.38 | 0.08 | 1.32 | 0.50 | 1.45 | 0.44 | 1.09 | 2.59 |
| Sig [η²] | 0.11 [0.088] | 0.24 [0.051] | 0.76 [0.003] | 0.25 [0.051] | 0.48 [0.016] | 0.23 [0.063] | 0.50 [0.016] | 0.30 [0.043] | 0.18 [0.088] | ||
| Time | F-ratio | 13.73 | 15.85 | 9.48 | 15.82 | 8.78 | 16.15 | 23.09 | 21.07 | 12.44 | |
| Sig [η²] | 0.001 [0.521] | 0.001 [0.524] | 0.004 [0.454] | 0.001 [0.504] | 0.005 [0.487] | 0.001 [0.466] | 0.001 [0.636] | 0.001 [0.577] | 0.001 [0.491] | ||
| Group × Time | F-ratio | 0.13 | 0.05 | 0.41 | 0.08 | 1.02 | 0.03 | 1.07 | 0.77 | 0.89 | |
| Sig [η²] | 0.71 [0.011] | 0.82 [0.004] | 0.52 [0.003] | 0.77 [0.005] | 0.31 [0.100] | 0.85 [0.002] | 0.30 [0.075] | 0.38 [0.048] | 0.35 [0.064] | ||
| SHC | Group | F-ratio | 19.95 | 2.80 | 7.43 | 3.87 | 10.44 | 7.37 | 9.19 | 12.34 | 7.58 |
| Sig [η²] | 0.001 [0.511] | 0.08 [0.138] | 0.009 [0.228] | 0.056 [0.130] | 0.002 [0.307] | 0.01 [0.240] | 0.004 [0.260] | 0.001 [0.347] | 0.014 [0.267] | ||
| Time | F-ratio | 6.01 | 2.56 | 12.56 | 1.63 | 12.56 | 11.61 | 18.57 | 18.80 | 5.19 | |
| Sig [η²] | 0.01 [0.223] | 0.11 [0.102] | 0.001 [0.459] | 0.20 [0.103] | 0.001 [0.433] | 0.002 [0.412] | 0.001 [0.572] | 0.001 [0.529] | 0.03 [0.213] | ||
| Group × Time | F-ratio | 3.16 | 3.73 | 0.001 | 1.40 | 1.22 | 6.71 | 0.07 | 2.38 | 1.38 | |
| Sig [η²] | 0.08 [0.132] | 0.06 [0.142] | 0.71 [0.001] | 0.24 [0.090] | 0.27 [0.069] | 0.01 [0.288] | 0.76 [0.006] | 0.13 [0.125] | 0.24 [0.067] | ||
| SSO | Group | F-ratio | 4.17 | 0.84 | 33.16 | 1.04 | 9.14 | 5.38 | 3.95 | 6.88 | 3.24 |
| Sig [η²] | 0.04 [0.156] | 0.36 [0.034] | 0.001 [0.584] | 0.31 [0.042] | 0.004 [0.255] | 0.07 [0.155] | 0.084 [0.142] | 0.01 [0.213] | 0.11 [0.123] | ||
| Time | F-ratio | 19.44 | 38.21 | 79.91 | 28.65 | 17.83 | 40.19 | 30.38 | 52.17 | 30.88 | |
| Sig [η²] | 0.001 [0.528] | 0.001 [0.001] | 0.001 [0.830] | 0.001 [0.643] | 0.001 [0.572] | 0.001 [0.789] | 0.001 [0.654] | 0.001 [0.782] | 0.001 [0.646] | ||
| Group × Time | F-ratio | 5.61 | 0.64 | 17.61 | 1.80 | 6.65 | 0.49 | 1.34 | 1.52 | 4.72 | |
| Sig [η²] | 0.02 [0.244] | 0.42 [0.039] | 0.001 [0.518] | 0.18 [0.102] | 0.01 [0.333] | 0.48 [0.044] | 0.25 [0.077] | 0.22 [0.095] | 0.03 [0.218] | ||
| SSC | Group | F-ratio | 3.08 | 1.52 | 3.95 | 0.23 | 4.20 | 0.32 | 2.41 | 2.47 | 2.09 |
| Sig [η²] | 0.09 [0.132] | 0.22 [0.079] | 0.07 [0.149] | 0.62 [0.038] | 0.04 [0.164] | 0.56 [0.013] | 0.12 [0.113] | 0.12 [0.102] | 0.15 [0.097] | ||
| Time | F-ratio | 17.11 | 15.62 | 12.48 | 24.76 | 9.63 | 15.48 | 27.34 | 28.44 | 21.48 | |
| Sig [η²] | 0.001 [0.464] | 0.001 [0.414] | 0.001 [0.417] | 0.001 [0.612] | 0.003 [0.342] | 0.001 [0.494] | 0.001 [0.566] | 0.001 [0.609] | 0.001 [0.511] | ||
| Group × Time | F-ratio | 0.09 | 0.001 | 0.38 | 0.61 | 0.15 | 3.55 | 0.51 | 2.47 | 0.45 | |
| Sig [η²] | 0.75 [0.005] | 0.99 [0.001] | 0.53 [0.022] | 0.43 [0.010] | 0.69 [0.008] | 0.04 [0.183] | 0.47 [0.024] | 0.12 [0.119] | 0.50 [0.210] | ||
Center of pressure (COP); Single-leg stance on a hard surface with eyes open (SHO); Single-leg stance on a hard surface with eyes closed (SHC); Single-leg stance on a soft surface with eyes open (SSO); Single-leg stance on a soft surface with eyes closed (SSC); Total displacement of center of pressure (DOT); Range of sideways displacement (Rsw); Range of fore/aft displacement (Rfa); Standard deviation (SD); Mean velocity (MV); Total mean velocity (TMV); Anteroposterior (AP); Mediolateral (ML); Bold denotes statistically significant values (p < 0.05).