This is ideal for inducing growth. If you ever get a chance to use this equipment, please report back to us.
"YoYo Technology AB (Inc.) has developed a revolutionary patented strength training system using flywheel(s) - which replaces weight plates and other resistance training devices relying on gravity. YoYo's resistance is provided by spinning flywheels, very much like a child's yoyo, hence the name "YoYo", with the strap being wound and unwound around the axle of a fixed flywheel. A concentric (positive) muscle action overcomes the inertia of the flywheel setting it spinning on low friction bearings, while a subsequent eccentric (negative) muscle action is used to overcome the inertial force of the spinning flywheel."