Table 2 Material parameters for cartilage obtained by fitting the models to experimental data.

From: The mechanical properties of tibiofemoral and patellofemoral articular cartilage in compression depend on anatomical regions

 

Strain rate (min−1)

Fung

Gent

Odgen

\(\mu_{0}\)

b

nMSE

\(\mu_{0}\)

\(J_{m}\)

nMSE

\(\mu_{0}\)(e−2)

\(\alpha\)

nMSE

FMI

3%

0.13

2.62

0.004

0.24

1.01

0.020

3.82

12.56

0.005

30%

0.25

2.69

0.007

0.43

0.97

0.025

6.66

12.91

0.000

300%

1.01

2.87

0.010

2.17

1.05

0.026

25.01

13.24

0.016

FLI

3%

0.08

2.52

0.003

0.13

1.02

0.017

3.61

10.84

0.000

30%

0.27

2.65

0.005

0.47

0.99

0.023

9.66

11.94

0.001

300%

1.10

2.77

0.005

2.19

1.02

0.019

26.95

13.17

0.010

FPI

3%

0.15

2.64

0.004

0.26

1.01

0.019

6.66

11.21

0.001

30%

0.30

2.75

0.006

0.55

0.96

0.030

7.71

13.26

0.000

300%

1.88

2.91

0.009

4.05

1.01

0.031

37.46

14.07

0.013

TMI-M

3%

0.08

3.03

0.003

0.17

0.98

0.022

3.14

12.36

0.000

30%

0.13

3.11

0.004

0.30

0.98

0.025

4.60

12.87

0.000

300%

0.41

3.14

0.003

0.97

0.98

0.021

12.81

13.29

0.002

TLI-M

3%

0.08

3.07

0.006

0.16

0.94

0.026

3.53

12.07

0.007

30%

0.17

3.15

0.005

0.41

0.99

0.026

7.32

12.35

0.001

300%

0.70

3.20

0.011

1.87

1.01

0.024

25.94

12.91

0.006

TMI

3%

0.05

2.60

0.001

0.09

1.01

0.010

2.19

11.54

0.009

30%

0.05

2.72

0.020

0.08

0.94

0.022

2.27

11.81

0.029

300%

0.18

2.81

0.009

0.40

1.06

0.014

6.99

11.97

0.009

TLI

3%

0.08

2.65

0.004

0.14

1.02

0.020

3.62

11.08

0.001

30%

0.09

2.66

0.018

0.13

0.94

0.027

3.91

11.29

0.018

300%

0.75

2.71

0.015

1.63

1.08

0.025

31.08

11.64

0.012

  1. *The unit of \(\mu_{0}\) is MPa.