GRACIEMAG columnist Martin Rooney, a physical conditioning specialist who coaches UFC fighers, ADCC grapplers, and even Olympic athletes, has a number of things to teach that, beyond improving your physical capacity, work on Jiu-Jitsu-specific movements.
Issue 164 of the magazine serves up a full dossier on tricks to perfecting the choke, Helio Gracie’s favorite move. In the video below, Martin teaches some ways to strengthen your grip, a vital part of the art of choking someone, at the same time working other muscle groups important in the practice of Jiu-Jitsu.
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