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Table 1 Unbalanced forces and ligament forces

From: Influence of model complexity and problem formulation on the forces in the knee calculated using optimization methods

RMS values

 

J1

J2

J3

J4

J5

J6

J7

J8

Unbalanced force vector for RM

x

0.43

0.37

0.32

0.23

0.39

0.30

0.25

0.19

y

1.15

1.21

1.12

0.94

1.03

0.86

0.74

0.71

z

0.09

0.06

0.07

0.06

0.08

0.06

0.05

0.06

Unbalanced force vector for RML

x

1.23

1.42

1.39

1.40

1.21

1.39

1.26

1.40

y

1.70

1.76

1.77

1.79

1.72

1.74

1.74

1.75

z

3.59

3.88

3.84

3.84

3.62

3.76

3.77

3.80

Differences between ligament force using RML and RFML

x

2.39

3.06

2.92

2.93

2.41

2.91

2.85

2.92

y

4.47

4.71

4.66

4.69

4.56

4.66

4.65

4.64

 

z

3.26

3.30

3.28

3.29

3.32

3.21

3.24

3.20

  1. Root-mean-squared (RMS) values of the unbalanced force vector components using RM and RML formulations, as well as RMS differences between the ligament force components using RML and RFML formulations. (Unit: BW).