Table 3.
Center of Pressure Velocity Results. There was a significant interaction observed in S1 ML and S2 AP. A significant decrease in S1 ML and a significant increase in S2 AP velocities were observed in the concussion group, compared to the controls.
| COP Phase | Control (M±SD) (cm/s) | Concussion (M±SD) (cm/s) | Mixed Design ANOVA Interaction (p-value) | ||
|---|---|---|---|---|---|
| Baseline | Day 1 | Baseline | Day 1 | ||
|
| |||||
| Braking (S1 APV) | 812.1 ± 102.1 | 815.6 ± 127.1 | 760.8 ± 127.4 | 689.6 ± 202.8 | 0.203 |
|
| |||||
| Braking (S1 MLV) | 213.7 ± 69.8 | 216.8 ± 81.8 | 223.9 ± 73.1 | 176.1 ± 71.9 | 0.027* |
|
| |||||
| Transitional (S2 APV) | 68.5 ± 92.5 | 80.2 ± 94.6 | 194.3 ± 147.7 | 438.6 ± 424.0 | 0.030* |
|
| |||||
| Transitional (S2 MLV) | 214.4 ± 78.4 | 227.7 ± 75.3 | 313.5 ± 110.5 | 323.5 ± 127.8 | 0.926 |
|
| |||||
| Stabilization (S3 APV) | 28.6 ± 8.9 | 26.3 ± 16.1 | 40.4 ± 25.4 | 36.2 ± 26.3 | 0.842 |
|
| |||||
| Stabilization (S3 APV) | 31.3 ± 20.2 | 30.3 ± 22.2 | 99.5 ± 71.4 | 112.5 ± 86.3 | 0.604 |
*
denotes significant interaction