We’ve written before at HuffPost UK about how everything from blood pressure to your resting heart rate can change over time. It turns out that standing on one leg seems to be the first fitness marker ...
See how many jumping jacks after 60 signal strong cardio, plus simple steps to increase your count safely each week.
Look, I used to think those “100 jumping jacks = 10 calories” calculators were gospel. Then I started paying attention to real people doing real workouts, and wow – was I wrong. Those generic formulas ...
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