bild

A man demonstrate a lower limb prosthesis on a skateboard promoted by the Russian company Ortokosmos, Moscow, during the opening day at the trade show OT World 2014 in Leipzig, Germany, Tuesday, May 13, 2014. At the center of concerns are the product groups prosthetics, orthotics, orthopaedic footwear technology, compression therapy and rehabilitation. Over 500 exhibitors and more than 20,000 trade and professional visitors from all over the world are coming to the fair. (AP Photo/Jens Meyer)