Gimbal Lock

[Leandia]

Read a turotial some time ago about bones. In that tutorial the writer names "Gimbal Lock" as a very big problem for animators. I don't know what it is and how to avoid it, so if someone does, then feel free to post in here.

[Mike-3DT]

Hey that might have been my tut. Was it hosted here at 3dtotal? If so it was. Anyway, here's the best info I've found on gimbal lock: (especially check out the animated gif.)
http://www.anticz.com/eularqua.htm