[First published in 2008. Part of the Training for Warriors series, by Martin Rooney*] Impenetrable: Incapable of being penetrated or pierced; not admitting the passage…
[First published in 2009.] By Álvaro Romano Starting this month, we’ll touch on the subject of greatest importance to Jiu-Jitsu practitioners: how breathing and…
Today we bring you GFTeam's Alex Souto Maior, who has a PhD in physiology and a master's degree in biomedical engineering, teaching three simple exercises…