Izumi Tabata (researcher)

Izumi Tabata is a Japanese scientist renowned for pioneering research on high-intensity interval training (HIIT). His studies demonstrated that alternating short bursts of intense exercise with brief rest periods can significantly improve aerobic and anaerobic fitness more efficiently than traditional steady-state cardio. The most famous is the "Tabata Protocol," which involves 20 seconds of all-out effort followed by 10 seconds of rest, repeated for 4 minutes. His work has influenced athletic training, fitness programs, and health guidelines by showing that brief, intense workouts can deliver maximal benefits in less time.