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#Exercise immediately impacts how your arteries work. Short bursts of exercise cause quick changes in artery function. But over time, repeated workouts lead to longer-lasting improvements in artery function and even structural remodeling of the arteries.

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Kristie Leong M.D.

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10,850 Aufrufe • vor 2 Jahren •via X (Twitter)

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Exercise snacks — short bursts of bodyweight movement scattered through the day — do improve VO2 max. But before you use that as a pass on structured training, note the details: the effect is modest, it's most pronounced in untrained individuals, and functional improvement is not the same thing as structural change. Remodeling the heart itself — actual morphological adaptation — takes sustained training over time and more of it the older you are. The good news, especially if you've been inconsistent for a while: that structural adaptation still happens. It just takes longer.
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