You don’t have to be intimately aware of the canine skeleton to appreciate purebred dogs, but it’s helpful to know that soundness in a dog starts with structure, and structure means bones (sing it with us: The toe bone’s connected to the foot bone,the foot bone’s connected to the ankle bone….)

This nifty 3-D interactive site lets you rotate a dog skeleton and isolate its different parts. All those times we talked to you about pasterns and gait and toplines? It starts with “dem bones.”