1. Anorexia nervosa is a disorder characterized by voluntary decreases in food intake resulting in negative caloric balance and dramatic loss of body weight. 2. Aerobic exercise may be contraindicated in patients diagnosed with anorexia because of the high caloric cost and the possibility of overindulgence. 3. Calorically modest weight lifting exercises to increase lean body mass might be useful in increasing compliance with therapy by ensuring that the weight gained is distributed in a more aesthetically appealing manner.