Rigging help

I’ve tried to export an orc model from WoW into the Source Engine, and everything was going fine, except that the rigging was kind of going weird. I rigged it fine and dandy, and the moving is the only thing going mad:

Everything’s okay on that part, and then:

Is anyone able to help me? I tried parenting the bracers part to the arm, but that didn’t work.

Make sure you’ve actually rigged the bracers’ vertices to the forearm bone through boneweights or vertexgroups. Parenting and adding an Armature Modifier alone aren’t going to do that bit.

That worked, thanks!