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