What is HIIT and how do I use it in my training?
High intensity interval training or HIIT is defined as short, intense, unsustainable bursts of physical activity, paired with intervals of quick rests. This intense training causes a metabolic disturbance. This results in the body burning calories at a higher rate up to 48-72 hours later. HIIT can also increase metabolism, reduce insulin resistance, improve cardiac function,
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