Keiser’s low-mass, low-inertia resistance enables athletes to maximize performance in a safer and more efficient manner.
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Keiser air pressured equipment was developed to offer resistance training without depending on plates, cables or pins. It provides smooth strength building exercise options. Keiser gives members a strong foundation for the proper techniques for strength training and stretching.
Pure Resistance Technology™ (PRT), offers more training and rehab options. That’s because it’s more effective than iron at a wide variety of speeds.





It's our mission to build athletes through science and innovation, by being the industry leader in sports injury management and athlete performance.