Variables | Semiprofessional group mean | SD | Amateur group mean | SD | P value |
---|---|---|---|---|---|
Loading rate (bw/s) | 101.9 | 32.2 | 73.2 | 8.6 | <0.01** |
Peak tibial acceleration (g) | 7.8 | 2.3 | 5.9 | 2.6 | <0.05* |
Median power frequency (Hz) | 14.7 | 1.2 | 13.7 | 1.1 | 0.04* |
Peak vertical force (bw) | 2.7 | 0.3 | 2.5 | 0.3 | 0.03* |
Peak horizontal force (bw) | 14.5 | 3.6 | 14.1 | 2.5 | 0.76 |
Horizontal impulse (bw × s) | 2.6 | 0.3 | 2.9 | 0.2 | <0.01** |
Maximum rearfoot motion (°) | 8.5 | 2.6 | 10.9 | 3.1 | 0.04* |
Peak pressure lateral heel (kPa) | 735 | 294 | 743 | 189 | 0.93 |
Peak pressure medial heel (kPa) | 657 | 377 | 719 | 263 | 0.62 |
Peak pressure lateral midfoot (kPa) | 343 | 117 | 263 | 57 | 0.03* |
Peak pressure metatarsal head V (kPa) | 422 | 236 | 480 | 148 | 0.45* |
Peak pressure metatarsal head III (kPa) | 673 | 203 | 525 | 150 | 0.04* |
Peak pressure metatarsal head I (kPa) | 713 | 203 | 676 | 191 | 0.71 |
Peak pressure hallux (kPa) | 581 | 224 | 533 | 266 | 0.68 |