Take it up a notch with POWER X-TRAIN! Using cross training and core movements, shed unwanted pounds, burn maximum calories and tone and tighten for a total body workout.Take it up a notch with POWER X-TRAIN! Using cross training and core movements, shed unwanted pounds, burn maximum calories and tone and tighten for a total body workout.Take it up a notch with POWER X-TRAIN! Using cross training and core movements, shed unwanted pounds, burn maximum calories and tone and tighten for a total body workout.