Train real-world movement at real-world speed. From professional athletes to the frail elderly, Keiser’s Infinity Series is the most efficient way to develop functional, real-world power — on any plane, at any speed. Whatever the motion you want to train — throwing a baseball, swinging a club, or just performing the activities of daily living — Keiser’s Infinity Series lets you train the neuromuscular system at the speed of life.

infinity series