Ellipticals The impact-free world of Elliptical machines has taken the fitness world by storm. Gym Source’s expertise has identified the brands with the most significant biomechanically correct adjustments to properly fit different sized users and needs as well as researching and selecting the manufacturers with the least stress to the knees, hips and backs. All ellipticals are not created equal, and whether you prefer Octane’s 18 different stride length choices or Cybex’ patented Arc motion, Gym Source is at the cutting edge. Choose from Cybex, StarTrac, True Fitness, Octane, Sportsart and Lifecore for the finest in Non-impact fitness.