ACE Health Coach Certification Practice Test

Research indicates that what percentage of training is performed at intensities lower than VT1?

1. 50-60%

2. 60-70%

3. 70-80%

4. 80-90%

The correct answer is: 70-80%

When discussing exercise intensity and the ventilatory threshold, it's important to understand that VT1 represents a point during exercise where ventilation begins to significantly increase due to the metabolism of carbohydrates. Research shows that a significant portion of training, typically ranging between 70-80%, is performed at intensities lower than VT1. This intensity is often associated with aerobic exercise, which is sustainable for longer durations and facilitates fat utilization for energy, leading to numerous health benefits including improved cardiovascular health and increased endurance. Training in this zone allows individuals to build a solid aerobic base, which is crucial for overall fitness, while minimizing the risk of injury compared to training at higher intensities. It supports the physiological adaptations necessary for effective performance enhancement without overwhelming the body, thus making 70-80% the most accurate choice regarding the percentage of training done below VT1. This understanding aligns with both practical training applications and research findings, emphasizing the importance of aerobic conditioning.