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You might have heard the term “LISS” and thought it was yet another new fitness trend that you needed to try. I know I did. While fitness influencers like Kayla Itsines have recently popularized the term, the fact is LISS, or Low Intensity Steady State, exercises have been around since, well, humans started walking. That’s because an example of a LISS workout is actually something as simple as walking. 

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