How Do I Do This? Simple?

[schinigamii]

Hi there,

i just download a 3d model of a Trex, and the instructions were as follows

*****************************for animation*****************************************
The best way to animate this is without the skin and springs interfering,
animate the character studio bones first, using just the t-rex figure,
everything is lined up pretty well with the boxes only. you can trust them for an
accurate foot planting and general representation of the volumes.
then load the final animation on the skinned biped. the springs will simulate the

I am new to modeling, but have the basics down. I am just getting into animating, and don't know how to 'animate the character studion bones'

How can i do this??

thank you!!