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Table 4 Kinematic and kinetic differences between female collegiate and recreational athletes before the fatigue protocol (mean ± SD)

From: Fatigue and recovery have different effects on knee biomechanics of drop vertical jump between female collegiate and recreational athletes

  Pre-FP
Female collegiate athletes
Pre-FP
Female recreational athletes
P valuea
LESS Score 4.7 ± 1.3 5.0 ± 1.7 0.665
Knee flexion angle at IC (Deg.) 31.7 ± 9.0 35.0 ± 7.3 0.338
Peak knee flexion angle (Deg.) 101.7 ± 13.0 95.9 ± 11.0 0.256
Knee abduction angle at IC (Deg.) 0.7 ± 8.1 − 3.7 ± 4.4 0.130
Peak knee abduction angle (Deg.) 9.1 ± 11.3 2.4 ± 5.7 0.097
Tibial internal rotation angle at IC (Deg.) − 3.6 ± 9.0 − 10.8 ± 11.0 0.081
Peak tibial internal rotation angle (Deg.) 4.2 ± 6.1 − 0.39. ± 8.0 0.122
Peak knee flexion moment within 40 ms from IC (Nm/kg) 1.71 ± 0.38 1.78 ± 0.55 0.718
Peak knee abduction moment within 40 ms from IC (Nm/kg) 0.53 ± 0.23 0.21 ± 0.25 < 0.01
Peak tibial internal rotation moment within 40 ms from IC (Nm/kg) 0.14 ± 0.15 0.25 ± 0.17 0.101
  1. IC initial contact, FP fatigue protocol, ms milliseconds, ns not significant
  2. aValues obtained using two-tailed unpaired t-test