Questions: Which of the following is NOT one of the categories used to classify fitness? Sedentary Zone Marginal Fitness Zone High-Performance Zone Good Fitness Zone

The answer is the first one: Sedentary Zone.

Explanation for each option:

1. Sedentary Zone: This is not typically a category used to classify fitness. The term "sedentary" generally refers to a lifestyle with little to no physical activity, but it is not a standard classification in fitness categories.
2. Marginal Fitness Zone: This is a recognized category in fitness classification, indicating a level of fitness that is below average but not completely inactive.
3. High-Performance Zone: This is a recognized category in fitness classification, indicating a high level of physical fitness, often associated with athletes or individuals who engage in intense physical training.
4. Good Fitness Zone: This is a recognized category in fitness classification, indicating a level of fitness that is above average and generally associated with good health and regular physical activity.

Summary: The "Sedentary Zone" is not one of the standard categories used to classify fitness, whereas the other options are recognized categories.