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Table 2 Mean ± standard deviation of kinetic and kinematic parameters for experienced and novice volleyball players and for block and spike jumps

From: Comparison of landing kinematics and kinetics between experienced and novice volleyball players during block and spike jumps

 

Experienced group

Novice group

Group effect

Interaction effect

Block jump

Spike jump

Block jump

Spike jump

p-values

ωp2

p-values

ωp2

Peak vertical GRFa (BW)

2.76 ± 0.74

3.70 ± 1.02

2.83 ± 0.41

3.58 ± 0.64

0.936

 < 0.001

0.342

 < 0.001

GRF loading rate (BW/s)

67.7 ± 57.9

167.4 ± 88.1

71.9 ± 34.5

162.5 ± 48.9

0.943

 < 0.001

0.691

 < 0.001

Knee abduction angle at ICb (°)

− 2.1 ± 2.0

− 2.3 ± 1.9

− 3.1 ± 2.8

− 4.0 ± 3.0

0.150

0.038

0.036*

0.113

Knee abduction ROMc (°)

− 5.4 ± 1.8

− 6.6 ± 2.1

− 5.0 ± 1.5

− 7.7 ± 2.6

0.579

 < 0.001

0.009*

0.184

Peak knee abduction moment (Nm/kg)

0.21 ± 0.10

0.25 ± 0.13

0.15 ± 0.11

0.16 ± 0.14

0.114

0.053

0.437

 < 0.001

  1. aGround Reaction Force
  2. bInitial Contact
  3. cRange of Motion
  4. *p-values < 0.05