Table 1 Material properties of AC, meniscus, degenerated AC, and degenerated meniscus in this study (E: young’s modulus; ν: poisson’s ratio; φs: solid volume fraction; k: permeability).

From: Biomechanical effects of medial osteoarthritis progression and UKA on knee lateral compartment using fibril-reinforced biphasic material in finite element study

Tissue/Component

E (MPa)

ν

φs

k (mm4/N s)

Fibrillar modulus (MPa)

AC 21,33,37

SZ

0.62

0.14

0.11

0.00109

6 (parallel to surface)

MZ

1.19

0.25

0.18

0.00151

6 (randomly distributed)

DZ

1.94

0.4

0.27

0.00086

6 (perpendicular to surface)

Degenerated AC1,2,3

SZ

0.186

0.14

0.06

0.00185

1.5 (randomly distributed)

MZ

0.357

0.25

0.13

0.00257

1.5 (randomly distributed)

DZ

0.582

0.4

0.22

0.00146

1.5 (randomly distributed)

Meniscus29

0.5

0.36

0.19

0.00100

40 (circumferential),

10 (radial)

Degenerated meniscus2

0.15

0.36

0.14

0.00170

10 (randomly distributed)

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