The Tabata Method, also known as the "45-70-10" training routine, has become increasingly popular among fitness enthusiasts and athletes seeking to improve their endurance and cardiovascular health. This method involves alternating between sets of 20 seconds of high-intensity interval training (HIIT) followed by 7 minutes of rest.

Tabata's key data includes:

- The number of times participants need to perform the exercise for each set is determined by their fitness level and goal.

- The length of time required to complete each set is typically around 20-30 minutes.

- The average increase in heart rate during the HIIT portion of the exercise is typically around 10%.

- The recommended duration for each set varies depending on individual fitness goals and experience level.

- The Tabata Method has been shown to be effective for improving endurance, increasing muscle strength, and reducing body fat percentage.

However, like any exercise program, there are some limitations to using Tabata as a primary source of exercise. For example, it can be difficult to maintain consistent intervals without overtraining or skipping out on periods of recovery.

Overall, Tabata's key data provides valuable information for anyone looking to improve their fitness journey. However, it's important to remember that while this method can provide significant benefits, it should not be used as a substitute for professional advice from a qualified fitness professional.