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User should define a path equation for tendons.
In Data tab create a new tendon. While on Path Variation cell click ⋮ and select Path Equation.
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In the opening tab user may define a new path for tendon to follow.
Create a new condition and click ⋮ icon next to the Path input box.
Select between Constant, Linear, Haunch, Custom options.
In Custom option user may define pathway formulation with x variable.
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