Carbohydrate - the nutrient providing the major source of energy in the average diet

Cool Down - If you've done a fast - paced workout, complete the workout with five minutes of slow aerobic activity. This cool down will give your pulse, blood pressure and breathing a chance to slow down. You can also end a weight training session with an easy set using a light weight, or some light stretching.

Dani, Nandor - Hungarian runner who finished 2nd in the 1896 Olympic 800m (2.11,8).

Fat - A high energy molecule which provides the body with long - term fuel reserves. Fat also serves as a precursor for many hormones and offers the body varying degrees of insulation and cushioning.

Glycolysis - A series of enzymatically catalyzed reactions, occurring within cells, by which glucose and other sugars are broken down to yield lactic acid or pyruvic acid, releasing energy in the form of adenosine triphosphate. Aerobic glycolysis yields pyruvic acid in the presence of oxygen. Anaerobic glycolysis yields lactic acid.

Hearn, Lacey - American runner that captured a bronze medal on the 1500m at the 1904 Olympics.

Spotter - Person who watches a partner closely to see if any help is needed during a specific exercise.