NASA SPIRAFLEX TECHNOLOGY REPLACES WEIGHTS: The OYO Gym’s SpiraFlex resistance technology has been used for over 10 years on the International Space Station to keep astronauts fit. NASA study proved SpiraFlex increased muscle size and strength as much as free-weights.
This product would be ideal for individuals looking to transform their home workouts with a compact and high-powered personal gym solution that includes a Spiraflex Black cable.
