Ergonomics of Tattoo Artists (IMAGE) Ohio State University Caption Nathan Marti, an artist at Redtree Tattoo Gallery in Columbus, Ohio, works on a client's tattoo. Credit Photo by Jeff Grabmeier, courtesy of The Ohio State University. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.