The Body Solid Semi-Recumbent Ab Bench is designed in a sit up position that will perform ab crunches and knee raises. This Ab Bench is great for beginners and advanced users. The Ab Bench will also allow you to increase resistance by adding weights for an overall challenging workout. With this bench, you can achieve a flatter stomach, more defined chest, a stronger back, powerful legs, better defined abs, well developed obliques and well muscled arms. If you are determined to get fast results, then the Semi-Recumbent Ab Bench is right for you!