Martin Rooney has released his second martial arts and fitness book titled Ultimate Warrior Workouts: Fitness Secrets of the Martial Arts.  Rooney, the top physical trainer in Mixed Martial Arts, spent three years traveling to 11 different countries to investigate, train and compete in the 8 martial arts that compose the current sport of MMA.

Article & Photos by: Martin Rooney

Impenetrable:  Incapable of being penetrated or pierced; not admitting the passage of other bodies.