Athlete, actress and model Aimee Mullins was the first athlete to use the prosthetic blade in her career as a professional athlete. She talks to HARDtalk's Stephen Sackur about the new technologies available to physically disabled athletes in sport.
So, does technology give the Paralympian an unfair advantage? Absolutely not, says Ms Mullins, there's "no level playing field in sport.
"Name me one Olympian with legs who has voluntarily amputated their legs for this so-called advantage."
You can watch the full interview on BBC World News on Tuesday 6 March at 04:30, 09:30, 15:30 and 21:30 GMT and on the BBC News Channel on Tuesday 6 March at 04:30 GMT and Wednesday 7 March at 00:30 GMT.
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