Did a lot more tweaking and cleaning up. Deleted a bunch of keys frames in some areas to rework the entire portion. I also added some anticipation before he stands up after the swing to get a bit more weight into the scene.
Axe Attack - Clean Up
Also, my buddy Clint Donaldson has an animation blog and I'd like everyone to take some time to go visit his site and check out what he's doing. Pretty rad stuff!