Pump Up Your Career: Certified Personal Trainer (NSCA) 2025 Practice Exam Challenge!

The recommended frequency of aerobic exercise for adults is based on guidelines established by health organizations, which emphasize both the amount and intensity of the exercise to promote cardiovascular health and overall physical fitness. The correct choice states that adults should engage in at least 150 minutes of moderate-intensity aerobic exercise or 75 minutes of vigorous-intensity aerobic exercise each week. This recommendation is designed to ensure sufficient cardiovascular benefit, improve fitness levels, and reduce the risk of chronic diseases.

Moderate-intensity activities might include brisk walking, dancing, or gardening, while vigorous-intensity activities can include running, swimming laps, or cycling at a fast pace. This guideline benefits a wide range of adults, helping to enhance their stamina, heart health, and overall well-being.

The other options suggest either insufficient or excessively demanding regimens. For example, advocating for 60 minutes of high-intensity exercise every day might be too ambitious and potentially unsustainable for many people, increasing the risk of injury or burnout. Similarly, 30 minutes of low-intensity exercise three times a week would result in a total of only 90 minutes, falling short of the recommended guidelines. Lastly, suggesting exercise only as needed to maintain weight ignores the broader health benefits derived from regular aerobic activity, which extend