A. A warm-up exercise to increase blood flow and warm the muscles.
B. A workout to increase muscular strength, endurance, and flexibility.
C. A workout that reaches VO2 max.
D. A cool-down exercise to prevent injury or soreness.

The correct answer to the question: "A basic program of physical activity should include all of the following except__________________________?" is "A workout that reaches VO2 max.".