Cheryl Hile, 43, used an ankle-foot orthosis custom-designed by Hanger that assisted her in becoming the first person with multiple sclerosis to complete a marathon on all seven continents in one year. Photo of Hile and her ankle-foot orthosis at the Hanger Education Fair & National Business Meeting on Wednesday, January 31, 2018, at the Rio hotel-casino, in Las Vegas. Benjamin Hager Las Vegas Review-Journal @benjaminhphoto