FreeMotion is the only line of commercial products that has a full-line of selectorized equipment that uses pulleys and tension allowing you to move in all planes of motion.
2
Home gyms, cable-pulley machines, selectorized weight machines and items like the Bowflex all fall into this category.
3
Like the squat rack, the leg press machine is often available as either a free weight station or a selectorized weight machine.