FitnessIs the ’12-3-30′ Treadmill Routine a Good Workout?Kane DaneApril 27, 2023April 27, 2023 by Kane DaneApril 27, 2023April 27, 2023 The 12-3-30 treadmill routine is a good workout for beginners: Walking is a low-impact exercise that can help improve cardiovascular health, muscle strength, and balance....