Patent Design: The patented 3-in-1 design combines an ab machine, rowing machine, and functional trainer into one compact workout machine. This innovative ab trainer setup enables you to switch between three ab workout and cardio modes, making it an ideal piece of ab workout equipment for any home gym. Multiple Muscle Groups Engagement: The Tousains 3-in-1 rowing machine serves as a hybrid of Exersice Equipment that combines both cardio and strength training. It targets your arms, stomach (Abs), legs, glutes, and moreperfect as an Ab Machine for Stomach Workout. Whether you aim to lose weight overall or tone specific areas, this versatile workout equipment supports your fitness journey.