Creo Manikin > Placing a Manikin > About Changing Placement Settings
  
About Changing Placement Settings
You can change manikin placement, location, and orientation settings. Select a manikin in the Model Tree or the graphics window, and click Manikin > Edit Placement.
Toggle the manikin posture to sitting or standing.
Select a location on a planar or nonplanar surface as the default placement surface.
Set the manikin orientation to a specific plane.