Lipids, a chemical family that includes cholesterol and fat, make up a major part of the average human diet. At 9 calories per gram -- compared to 4 calories per gram of carbohydrates and proteins -- fats serve as concentrated sources of energy to fuel your active lifestyle.
The Development of Rowing Equipment By Bill Miller This page contains information about the development of rowing equipment beginning about the end of the 18th century.
Rowing is a low-impact alternative to running or cycling that can improve heart fitness and strengthen the muscles of the upper body, back and abdomen. You can enjoy rowing outdoors by joining a rowing club or hiring a rowboat, or indoors using a rowing machine at the gym or at home.