Next Generation TechnologySpiraFlex® Technology in the International Space StationBuild and maintain lean, strong muscleAs free weights are ineffective in space, the International Space Station needed another way for crewmembers to maintain muscle strength while in orbit. The answer was SpiraFlex® resistance technology. SpiraFlex® vs. Power Rod® TechnologyDifferent fitness technology, same guaranteed resultsOur home gyms break down into two categories, those based on our time-tested Power Rod® technology and our new groundbreaking Bowflex Revolution? machine with SpiraFlex® technology. |
















