What training method involves alternating between high and low exercise intensities?

The training method that involves alternating between high and low exercise intensities is interval training. This approach is designed to enhance both aerobic and anaerobic performance by incorporating periods of intense exercise followed by lower intensity recovery periods. This alternation helps in improving cardiovascular endurance, metabolic efficiency, and overall fitness levels.

During interval training, participants can engage in various activity forms, such as running, cycling, or swimming, where effort levels fluctuate significantly. This practice not only boosts stamina but also facilitates calorie burning during and after the workout due to the higher exertion levels compared to steady-state methods.

In contrast, steady-state training maintains a constant intensity over a period, circuit training typically focuses on consecutive exercises targeting different muscle groups with little rest, and endurance training primarily emphasizes longer duration, low-to-moderate intensity exercise to improve aerobic capacity. Thus, interval training stands out for its unique structure of intensity variation, leading to greater adaptations in efficiency and performance.