Rowing works over 80% of your body’s muscles so you can burn as many calories in 20 minutes as a combination of gym machines will achieve in 90 minutes. Plus, at the same time you will improve your heart and lung performance, boosting your circulation which is so important for transporting important materials, such as nutrients and oxygen, throughout your body. Toning and Strengthening Up To 80% of Your Muscles. Including all the major muscles that support your joints. You will feel more energetic, and also find day to day tasks are a breeze. PLUS, if you want to really target your abs the Row Shaper also converts to an ab-crunch machine! Hydraulic Resistance Ram has 12 Levels The seat slide-rail has 3 incline levels for further resistance adjustment making the RowShaper suitable for all levels of fitness. If you are short of space as well as time the RowShaper can be stored vertically, with attached wheels that make moving it easy. Full Body Workout in Just 5 minutes a day! Burn calories and build up a stronger body, targeting upper, middle, lower abs and obliques, also tone inner thighs and hips. With the Row Shaper, you may see results in as little as 2 weeks.