Collapse the list controller track:
1 Continue from before, or open shake_and_walk_finished.max.2 If you open the file, select the Bip01 Spine object in the viewport, open
the Motion panel, and expand the Assign Controller rollout.3 In the Assign Controller window, highlight Biped SubAnim and then
right-click.4 Choose Properties from the right-click menu.The SubAnim Property dialog appears.5 In the Enable options, turn off Position List and Scale List, so the Rotation
List is the only one active.6 In the Collapse options, turn off Position, and turn on Rotation List,
Don't Delete, and Per Frame.Using Controllers with Biped | 837