# Tendon \[SIG]

Tendons can be modeled for concrete bridge elements. In the case of the Steel I Girder workflow, tendons can be modeled for:

To use the Tendon objects, the user must have a previously defined or imported Strand Profile under the Properties section.

If a user does not have any strands defined, it is recommended to return to the [Strands \[SIG\]](https://docs.openbrim.org/templates/steel-i-girder-bridge-workflow/properties-sig/strands-sig) section of the workflow, define the related strands, and then proceed further.