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How too much HIIT can kill your progress

Many medical and sports groups suggest intense interval training shouldn’t be completed more than three times/week to avoid these negative metabolic side effects. And from a joint health perspective, I agree that HIIT should not be used more than a few times/week, if at all. 

So if we can only gain the benefits of HIIT 2 to 3 days a week, are we just sedentary on the other days? Should we train in different ways on the days where we aren’t working out intensely? 

Another study that looked at the benefits of short, intense exercise vs. longer, more gentle workouts provides us with another interesting finding. 

The study took overweight men, divided them into groups, and had them exercise on a bike for a different amount of time and intensity. 

Group 1 performed short, all-out workouts on the bike such as 30-second sprints with minimal rest in between. This group only exercised 3 days/week. 

Group 2 exercised more moderately: 30-40 min on the bike...

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How to exercise to improve insulin sensitivity

HIITing the Books

Over the next two weeks, I want to talk about cardio: what it is, how much you need, and, most importantly, how much is overkill and could be setting you back. 

Most people agree that cardio is anything where you elevate your heart rate. When I was looking at the formal definitions, most will say that this requires rhythmic, repetitive movement of your limbs. 

Because most people consider cardio as repetitive/rhythmic moments, when most people think of cardio, they think of activities such as running, cycling, and swimming. This is also why most people don’t include weight lifting when they think of cardio. 

Therefore, it’s commonly thought that you need to do both: lift the weights and add on the running or biking. 

But do you really? And if so, exactly how much should you do? 

These are the questions I want to address over the next couple of weeks. We’re going to talk about the benefits and risks of different dosages of...

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