Table 3. Means, (95% confidence internals) and p-values for the effect of fatigue (LSD test) of biomechanical variables measured during landing.
| Variables |
Pre-fatigue |
Post-fatigue |
P-value (Cohen’s d) |
| Peak Knee valgus (°) |
10.6 (7.9-13.3) |
10.3 (7.5-13.1) |
.719(.03) |
| Peak foot abduction (°) |
6.6 (4.2-9.0) |
8.3 (6.1-10.5) |
.042 * (.26) |
| Peak VGRF (BW) |
4.5 (4.1-5.0) |
4.7 (4.3-5.2) |
.038 * (.14) |
| Peak Rectus NEMG (%) |
134 (102-148) |
161 (140-183) |
.018 * (.53) |
| Peak Medial Hamstrings NEMG (%) |
115 (98-131) |
134 (97-171) |
.245(.36) |
| Peak Lateral Hamstrings NEMG (%) |
106 (88-123) |
131 (104-157) |
.056(.40) |
| Peak Gastrocnemius NEMG (%) |
125 (113-137) |
132 (105-158) |
.595(.12) |
| Knee Flexion at contact (°) |
20.8 (17.9-23.7) |
19.4 (15.9-22.8) |
.077(.16) |
* Statistically significant at α=0.05Abbreviations: LSD = least significant difference, VGRF = vertical ground reaction force, BW = body weight, NEMG = normalized electromyography
