RUNNERS CAN EASILY fall into a basic routine for their workouts: Lace up, hit the pavement, then cruise at a comfortable pace for as many miles as planned. This might feel good, but it’s not always ...
Sometimes you just want a slow and gentle workout, and other times you’re ready to kick it up a notch and pump up the volume. High-intensity interval training, or HIIT, refers to short bursts of ...
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