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Exercise Vigorously for 4 Seconds. Repeat. Your Muscles May Thank You.

August 11, 2021

High-intensity interval training has surprising benefits for fitness and physical power, but don’t stay seated the rest of the day. A mere four seconds of all-out exercise, repeated two or three dozen times, could be all many of us need to build and maintain our fitness, strength and physical power, according to an inspiring new study of the potency of super-quick workouts. NY Times