Concept2 RowErg Indoor Rowers are the the world's most popular rowing machines. It will indeed meet all your expectations for full-fledged training where you will practice up to 80 % of all muscle groups, the heart, lungs and circulatory system. By training on a Concept2 RowErg you can significantly reduce your body weight by burning fat. Rowing works for kids, 100-year-olds, and everyone in between. It works for adaptive athletes, elite athletes, and people who’ve never been athletic before. Whatever your goals or experience, rowing will work for you, too.