Might I suggest the joints should look different entirely for a fracture for toribash next? Since joint textures can be any color, including those not in the game, you can always have the possibility of being the same color of a fracture. Like the contracted/extended joints look different than the held/relaxed joints, they could have some sort of visible alteration to fractures.
That, or it could just say the joint is fractured at the bottom instead of relaxed..