Doh, Radium, it was a graphic of a man showing the systems of muscles.
It's the cover of a book or something else called Laboratory Dissections.
HOW STUPID DO YOU THINK I AM?
(And, please, do not answer this. Thanks. And I DID reach a non-suicidal state of mind. *wink nudge kickkickkickstabstabstab fry burn buryalive* )