2009

NOTE The center of mass is the root object in the biped hierarchy, if this is
selected with Select Subtree turned on, then all the child links are selected,
including extra bones and the mesh skin (the mesh skin is linked when Attach
To Node is used in Physique).
Selecting a biped while merging a MAX scene
In the illustration, the center of mass object is named Hero. With Select
Subtree active, all the children are also selected when you click Hero,
including the Physique mesh.
Loading, Saving, and Displaying Biped Motion | 4305