What is alternate gravity running? It's mentioned in this article on Donn Cabral:
http://www.runnersworld.com/elite-runners/the-donn-cabral-experiment
What is alternate gravity running? It's mentioned in this article on Donn Cabral:
http://www.runnersworld.com/elite-runners/the-donn-cabral-experiment
Salazar talking about Alter-G:
http://www.youtube.com/watch?v=kifaF54eY-0
A gimmicky demonstration video of Alter-G: