exercise

HIIT vs. MIIT: Which have you been doing?

High Intensity Interval Training, or HIIT, is all the rage right now. Everyone loves this type of workout because it burns major calories in a short amount of time. But, are you doing in properly?

HIIT workouts need to be short to be considered HIIT. If you just did a 40-minute HIIT workout, you did not just do HIIT. HIIT workouts typically range from 4 to 20 minutes in length. The longer workouts will have quite a bit of rest involved. If the workout is longer than 20 minutes it is not truly HIIT, or it’s not only HIIT. You can blend HIIT with resistance training to make it a longer workout. But HIIT alone is an incredibly exhausting workout, and your body cannot keep that level intensity for much longer than 15 minutes.

The intervals should be shorter than 20 seconds for a workout to be considered HIIT. Longer intervals are no longer considered a sprint. Your body can’t physically sprint for longer than 20 seconds. Sprints require the body to use a different energy system, and once the interval surpasses 20 seconds your pace has to slow for your body to switch to a different energy production system. In a HIIT workout, you never want your pace to slow down.

If you are doing longer intervals, it’s possible you are doing Moderate Intensity Interval Training (MIIT). A majority of the time, what people think is HIIT is MIIT. Even if you feel absolutely exhausted like you would during a HIIT workout, your workout still may fall into the “moderately intense” category.

Both workouts are amazing for you body and will burn major calories. They have similar outcomes and the workout structure is quite similar, but there are some major differences. HIIT workouts will make you feel like you are going to collapse within one minute. MIIT can be endured for longer because your body isn’t being pushed to its max. Have you been doing HIIT or MIIT?

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