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