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Table 2 Kinematic and kinetic differences in female collegiate athletes (mean ± SD)

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

  Pre-FP DVJ Post-FP first DVJ Post-FP second DVJ Post-FP third DVJ P valuea
LESS score 4.7 ± 1.3 5.7 ± 1.6* 5.7 ± 1.6** 5.3 ± 1.8*** < 0.001
Knee flexion angle at IC (Deg.) 31.7 ± 9.0 33.0 ± 10.6 29.8 ± 12.5 29.0 ± 10.3 0.127
Peak knee flexion angle (Deg.) 101.7 ± 13.0 108.0 ± 11.8* 106.3 ± 12.3** 101.6 ± 11.7 < 0.01
Knee abduction angle at IC (Deg.) 0.7 ± 8.1 0.4 ± 10.6 0.4 ± 10.0 − 0.1 ± 9.6 0.949
Peak knee abduction angle (Deg.) 9.1 ± 11.3 9.1 ± 13.2 9.7 ± 13.0 8.4 ± 12.0 0.843
Tibial internal rotation angle at IC (Deg.) − 3.6 ± 9.0 − 4.2 ± 9.6 − 5.7 ± 10.6 − 5.2 ± 10.0 0.293
Peak tibial internal rotation angle (Deg.) 4.2 ± 6.1 5.7 ± 7.8 4.6 ± 8.3 5.0 ± 8.2 0.585
Peak knee flexion moment within 40 ms from IC (Nm/kg) 1.71 ± 0.38 1.63 ± 0.56 1.40 ± 1.05 1.60 ± 0.50 0.639
Peak knee abduction moment within 40 ms from IC (Nm/kg) 0.53 ± 0.23 0.48 ± 0.37 0.49 ± 0.26 0.50 ± 0.29 0.918
Peak tibial internal rotation moment within 40 ms from IC (Nm/kg) 0.14 ± 0.15 0.17 ± 0.17 0.13 ± 0.10 0.11 ± 0.13 0.618
  1. IC initial contact, FP fatigue protocol, ms milliseconds, NS not significant
  2. *P < 0.05 between pre- and post-FP first DVJ
  3. **P < 0.05 between pre- and post-FP second DVJ
  4. ***P < 0.05 between pre- and post-FP third DVJ
  5. aValues obtained using repeated measures of analysis of variance among groups