Interval training can significantly improve cardiovascular performance by enhancing the body’s ability to utilize oxygen efficiently. By alternating between high-intensity bursts and lower intensity recovery periods, interval training increases heart rate variability and muscle endurance. This method trains the cardiovascular system to adapt to and recover from stress more effectively, leading to improved stamina and performance over time. Additionally, this training style can help in burning more calories and fat compared to traditional steady-state cardio, making it an effective workout strategy.