I got tired of having to animate my bones by hand when I'm skinning a model, so I made this script.
It will add an animation to ALL selected objects, rotating in sequence one at a time.
Now you can skip the animation range creating stage and skip right to skinning. Yay!
Just drag the script in to the viewport, and then you can find it under the "Animation Tools" section in customize user interface.
Use:
Go to your T pose frame. Select everything you want to animate. Click the macro button. Play the animation.
Tested on max 2016, should work fine on other versions.