Often times it's an Ik issue.  If you are saving just the body, no morphs or translatsion and you have checked the subset and included only the character, than the issue is usually the IK one mentioned above.

3-D Arena | Instagram | Facebook

I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo