Table 2. Means, (95% confidence internals) and p-values for gender differences (LSD test) of biomechanical variables measured during landing. Variables Males Females P-value (Cohen’s d) Peak Knee valgus (°) 6.0(2.3-9.7) 14.9(11.2-18.6) .001 * (1.18) Peak foot abduction (°) 6.2 (3.2-9.3) 8.7 (5.6-11.7) .262(.39) Peak VGRF (BW) 3.9 (3.3-4.5) 5.3 (4.7-6.0) .003 * (1.08) Peak Rectus NEMG (%) 137 (116-157) 159 (138-180) .132(.45) Peak Medial Hamstrings NEMG (%) 127 (94-160) 122 (89-155) .832(.07) Peak Lateral Hamstrings NEMG (%) 113 (87-139) 123 (97-149) .589(.16) Peak Gastrocnemius NEMG (%) 134 (112-157) 122 (99-145) .438(.22) Knee Flexion at contact (°) 20.2 (15.8-24.6) 20.0 (15.6-24.4) .957(.02) * Statistically significant at α=0.05 Abbreviations: LSD = least significant difference, VGRF = vertical ground reaction force, BW = body weight, NEMG = normalized electromyography