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Table 1 Mean ratio r (in%) between the maximal relative dispersion and the maximal absolute amplitude.

From: Influence of inverse dynamics methods on the calculation of inter-segmental moments in vertical jumping and weightlifting

Activity

Ankle

Knee

Hip

 

x-axis

y-axis

z-axis

x-axis

y-axis

z-axis

x-axis

y-axis

z-axis

Jump

0.00 ± 0.00

0.02 ± 0.01

0.00 ± 0.00

0.46 ± 0.22

0.29 ± 0.18

0.07 ± 0.03

1.72 ± 0.64

0.63 ± 0.25

0.21 ± 0.09

Land

0.00 ± 0.00

0.03 ± 0.02

0.00 ± 0.00

0.13 ± 0.06

0.21 ± 0.09

0.05 ± 0.03

0.67 ± 0.35

0.52 ± 0.25

0.13 ± 0.06

Jerk

0.00 ± 0.00

0.01 ± 0.00

0.00 ± 0.00

0.06 ± 0.03

0.06 ± 0.04

0.01 ± 0.00

0.20 ± 0.08

0.15 ± 0.06

0.06 ± 0.02

Squat

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.01 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.03 ± 0.02

0.04 ± 0.02

0.01 ± 0.00

  1. Data sets include jumping (n = 11), landing (n = 11), jerking (n = 10) and squatting (n = 4), and are presented in each of the 3 planes of movement: frontal plane (moment about x-axis), transverse plane (moment about y-axis) and sagittal plane (moment about z-axis).