Hector Maynez, 17, adds striations to an arm muscle he made out of clay on an Anatomy in Clay model at Northglenn High School on April 17. Anatomy in Clay models sit on a shelf at Northglenn High ...

Editor’s note: An earlier version of this story included the name of a specific Pilates studio that was not a party to this lawsuit and, in fact, uses the full Anatomy in Clay system. The Anatomy in ...

Students at SMHS create clay muscles and attaches them to skeleton models. The Human Anatomy/Physiology class at South Medford High School creates clay muscles and attaches them to skeleton models.