|
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 |