Table 3.
Correlation coefficients for frequency, duration, acceleration, and inter-joint coordination metrics a
| Group | Metric |
|
|
|---|---|---|---|
| Frequencies (freq.) | Kicking | −0.132 | < .01 |
| Bilateral | 0.047 | .343 | |
| Predominant unilateral | −0.353 | < .01 | |
| Durations (dur.) | Avg. kicking | 0.156 | < .01 |
| Avg. rest | 0.279 | < .01 | |
| Max kicking | −0.113 | .023 | |
| Max rest | 0.214 | < .01 | |
| Acceleration (accel.) | Avg. kicking | 0.555 | < .01 |
| Peak kicking | 0.507 | < .01 | |
| Inter-joint coordination | Hip–knee | 0.219 | < .01 |
| Hip–ankle (in phase) | 0.149 | .073 | |
| Knee–ankle (in phase) | −0.121 | .016 |
a
Correlation coefficients for significant features indicated in bold