Animation problem (.ani file)

hello people…
I have a ploblem with .ani files…
I have a blender file FPS animation width many actions (shoot, reload, etc…) I export this actions separately (shoot.ani, reload.ani, etc).
Wen I load this animation (.ani files) in Urho3D some look good and others not.
Why?
I use AnimationController::Play(…); and assetimporter utility.
Thanks.

IMG 1 reload.ani

IMG 2 shoot.ani

This looks like old blender screwing up bone weights. Get blender 2.71.

Problem solved … thanks friesencr.
I have also used https://github.com/reattiva/Urho3D-Blender

[video]https://www.youtube.com/watch?v=koVHJFRz-yE[/video]