Diamond Black Series Advanced Movement Design Your exercisers will experience greater strength through AdvancedMovement Design , exclusive to the Diamond Black Series . This progressive platform challenges the body in a way that engages moremuscles to functionally develop strength and stabilises movement patterns.. Exercisers will experience better results as they work their muscles througha greater, more natural range of motion. Key features of the Advanced Movement Design within the Diamond Black SeriesSelectorized Line include:. Progressive Platform - Natural step for exercisers as they build upon theirstrength routine with added variety and enhanced core stabilization. Natural Movement - The converging/diverging axis allows exercisers tomove in a more natural movement pattern to provide greater range ofmotion and muscle recruitment. Ergonomic Design - Angled movement arms, ellipse-shaped handle grips,and an improved pulley system design ensures exercisers experience asmoother, more natural and fluid motion. More Effective Workouts - Independent movement arms demand greaterbalance and core muscle engagement from your exercisers.