If you're an able-bodied athlete you aspire to represent your nation in the Olympics.
The ankle of an able-bodied athlete reinforced with carbon fibre could also prove more efficient.
"It was not a conscious decision to be an able-bodied athlete, it was a conscious decision to look for the best competition opportunities," Storey said.
Specifically, he established that "the mechanical advantage of the blade in relation to the healthy ankle joint of an able-bodied athlete is higher than 30percentt".
"Where an able-bodied athlete will change their shoes, Andy's shoes go up to his mid-thigh really," Riall said.
Trust me, coming from being an able-bodied athlete to a Paralympian, it infuriates me", and that she receives $3,000 a year in funding from the government.
The South African waged a legal battle with the IAAF to be able to compete alongside able-bodied athletes after proving the blades gave him no additional advantage.
His first international competition against able-bodied athletes came in 2007, but later that year athletics' governing body, the IAAF, banned the use of any equipment that provided "the user with an advantage over another athlete".
In 2008, the South African won a long battle with athletics' governing body, the IAAF, to compete against able-bodied athletes.
He was only cleared to race able-bodied athletes in 2008 and the World Championships, where he won a relay silver, was the first major able-bodied event he took part in.
