Table 4.
NW shod running without inserted valgus wedges
| 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 |
**highly significant at P < 0.01, *significant at P < 0.05.