I really like the depth of field, as well as the idea for the picture. I feel the colors could use a little bit of adjustment. Maybe just a curves adjustment. Also the tips of the fingers are a little washed out in places.
Nice photo - Like the DOF - you can see the pained look! I hope this didn't really happen to you. The only suggestion I would make would be to remove the background hand, or darken the highlights - I think they detract a little from the picture.
average photo on its own, but surprisingly one of the better ones I have marked up so far this week.
What the hell is going on with that little fingernail though? Looks like a claw or talon of sorts.