12-year-old Ukrainian double amputee to run 5K on Boston Marathon weekend

Yana Stepanenko lost both her legs in a Russian missile strike

Double amputee Oscar Pistorius granted parole in girlfriend’s murder

The sprinter, who won numerous Paralympic gold medals and competed in the 2012 Olympics, shot and killed Reeva Steenkamp in 2013

Study finds blade runners do not have a competitive advantage

Recent research found that runners who use prostheses have no edge over runners with legs