nytimes August 13, 2021 2:00am Exercise Vigorously for 4 Seconds. Repeat. Your Muscles May Thank You. #exercise #athleticsandsports #muscles #medicinescienceinsportsexercisejournal #research #news Exercise Vigorously for 4 Seconds. Repeat. Your Muscles May Thank You. High-intensity interval training has surprising benefits for fitness and physical power, but don’t stay seated the rest of the day.
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