Copy one armature movement to another

Hello Everyone,

I am in need of help once again. I was wondering how to copy one armature movement to another. Of have an armature follow empties. Pritty much what i am doing is using makehuman to get a human model that already has an amarture and want it to match up with a bvh that i import.

Thank you

In the pose Mode
Add Constraints->Copy Location or Copy Rotation is use for this.

is this to the empty to the armature?