NSCF Personal Trainer Complete Practice Exam

High-intensity interval training (HIIT) is characterized by short bursts of intense exercise followed by brief recovery periods. This training method involves performing exercises with minimal rest between sets, which keeps the heart rate elevated and optimizes calorie burn both during and after the workout. The structure of HIIT allows participants to engage multiple muscle groups and maintain a high level of intensity throughout the session. This approach enhances cardiovascular fitness, increases metabolic rate, and improves overall endurance, making it an effective training style for those looking to maximize results in a shorter amount of time.

In contrast, strength training typically focuses on lifting weights with more rest between sets to allow for muscle recovery. Power training emphasizes explosive movements, often requiring specific rest periods to ensure optimal performance. Endurance training is more about maintaining a steady pace over longer durations with lower intensity, which doesn't align with the minimal rest characteristic of HIIT.