To Create a Motion Skeleton Model
1. In an open assembly, click 
Create. The Create Component dialog box opens.
Create. The Create Component dialog box opens.2. Accept the default name or enter a new one.
3. Select Skeleton Model from the Type list and Motion from the Sub-type list.
4. Click OK. The Creation Options dialog box opens.
5. Select a Creation Method:
◦ Copy from existing—Copy the motion skeleton geometry from an existing skeleton model. Click Browse to select the model to copy.
◦ Empty—Create a motion skeleton with no geometry. Geometry is added after the motion skeleton is created.
◦ Create features—Create a motion skeleton with no geometry. The motion skeleton is active when you quit the dialog box.
6. Click OK.