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Table 2 Material properties considered for ligaments and tendons in the FEM simulation

From: Parametric finite element model of medial patellofemoral ligament reconstruction model development and clinical validation

Material Properties

 

Stiffness (N/mm)

Poisson Ratio

Quadriceps Tendon (QT)

1350

0.3

Patellar Tendon (PT)

2000

0.3

Lateral Retinaculum (LR)

2

0.3

Native Medial Patellofemoral Ligament (MPFL)

12

0.3

MPFL Reconstruction (Semitendinosus Graft)

100

0.3

MPFL Reconstruction (Gracilis Graft)

80

0.3

MPFL Reconstruction (Quadriceps Tendon Graft)

33.6

0.3