Using Hoist Fitness Roc It weight machines the user becomes an integral part of the exercise by continuously adjusting the position of the user with the movement of the exercise arm. These machines fit the user. The result is a unique training experience that achieves the unrestricted joint movement and core activating benefits. These machines were designed to take the pressure off the joints and isolate the workout on each muscle. Members have been loving the unique and innovative feel of this circuit training system. Come see for yourself. All members are trained on each machine. We will help you with any and all questions on our equipment.