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Summary of the employed passive stiffness of the muscle tissue components for Young, Adult, and Old muscles
| Age | Passive stiffness | Titin stiffness | CT stiffness | Fiber’s isotropic stiffness |
|---|---|---|---|---|
| Young | Low | Soft | Soft | Soft |
| Adult | Medium | Medium stiff | Medium stiff | Medium stiff |
| Old | High | Stiff | Stiff | Stiff |
