In this tutorial learn how to export the animated models with biped from 3ds max to Microsoft XNA
http://www.cgarena.com/freestuff/tutorials/max/xna/index.html
CGArena.com is leading graphics and animation portal where people come from all walks of life (enthusiasts to students to professionals) to read industry news, tutorials, interviews, evaluate other people's work and exchange ideas about animation, film, composting, editing and much more. So, dont forget to visit this animation website.
In this tutorial learn how to export the animated models with biped from 3ds max to Microsoft XNA
http://www.cgarena.com/freestuff/tutorials/max/xna/index.html