Anabolic Steroids - Prescription drugs that mimic male hormones, but without most of the androgenic side effects of actual testosterone. Many bodybuilders use these dangerous drugs to help increase muscle mass and strength, even though possession of them is now a felony in most states.

Bar - The steel shaft that forms the basic part of a barbell or dumbbell. These bars are normally about one inch thick, and they are often encased in a revolving metal sleeve.

Blood Pressure - The pressure exerted against the inner blood - vessel walls during heart contractions (called systolic blood pressure) and heart relaxation (called diastolic blood pressure).

De Castella, Rob - Australian marathoner who won the gold medal in the 1983 World Championship race. He also won titles in Japan's Fukuoka race and the Boston Marathon.

Glycemic Load - The measure of the density and digestion speed of carbohydrates (the glycemic index of a food multiplied by the amount of carbohydrates per serving). The goal of low carb eating is to keep the glycemic load low. Carrots, for example, even though they have a high glycemic index, have a much lower glycemic load than pasta because they are less carbohydrate-dense.

Split Routine - A program in which the body is divided into segments and trained more than three times per week, as most beginners do. The most basic split routine is done four days per week. The most popular type of split routine happens by dividing the body into three parts which are done over three consecutive days, followed by a rest day and a repeat of the routine on day five. This is called a three - on / one - off split.

Steroids - Prescription drugs which mimic male hor-mones, but without most of the androgenic side effects of actual testosterone. Many bodybuilders use these danger-ous drugs to help increase muscle mass and strength.