Rowing machines work out a variety of muscles in the body, and are good for a full-body workout. Using a rowing machine utilizes and works out the arms, chest, stomach, legs and upper back.
One hour of intense rowing on a rowing machine can burn over 1,000 calories, which makes for a good workout. The activity itself is also similar to doing both a leg press and a row or bench press which works out almost all of the muscle groups in the body. Rowing activities increase a person's heart rate while working various muscle groups for a full-body workout.