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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