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Table 6 Material parameters (co, c1, c2, c3) of fitted Choi-Vito model Eq. (15) on mid-wall (MDW) of porcine myocardium including model fit (R2) and anisotropy (A) of the same myocardium

From: Study of biaxial mechanical properties of the passive pig heart: material characterisation and categorisation of regional differences

 

Sample 1 (septum wall)

Sample 2 (septum wall)

Sample 3 (septum wall)

Sample 4 (septum wall)

Fit (R2)

0.982

0.988

0.980

0.963

co (kPa)

4.727

4.215

3.131

3.161

c1

4.300

3.594

1.457

2.633

c2

5.565

4.892

3.652

3.261

c3

− 3.821

− 1.571

1.437

1.117

Anisotropy (A)

0.275

0.609

0.569

0.857