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How Long Should A HIIT Workout Be?

How Long Should A HIIT Workout Be?

How Long Should A HIIT Workout Be?
How Long Should A HIIT Workout Be?

Whether you’re new to the fitness scene or you’ve been working out forever, you have probably heard of HIIT

High-Intensity Interval Training, also known as HIIT, has become a popular type of workout. It can be very effective to help you reach your fitness goals BUT, like many things health-related, there can be some confusion about how these workouts should actually be done. 

I’m going to help clear up some of this confusion, covering questions like ‘how long should a HIIT workout be?’ and ‘how often should you do them?’ —so keep reading for my answers!

What exactly is HIIT?

As mentioned, HIIT stands for High-Intensity Interval Training, which is a workout style that features short intervals of high-intensity cardio followed by a rest period. Because your body is working at a high intensity, your heart rate increases and your ability to burn calories increases. Plus, if you are truly reaching the desired intensity, the increased fat-burning potential can continue even after the workout is done. 

While the name High-Intensity Interval Training might sound overwhelming or scary, it basically means you will be alternating between tough work periods and rest or easier work periods. The important thing to remember here is that ‘hard work’ is relative — you will be pushing yourself to an intensity that is hard for you. I’ll explain this in more detail later on.

How long should HIIT workouts be? 

Typically, a HIIT workout should be done within 15-20 minutes, not including a warm up and cool down. If the workout is going for longer, you may not be pushing yourself to the intended intensity — and potentially not giving yourself the chance to reap the most benefits. 

The goal of high-intensity training is to elevate your heart rate into a zone that is close to that of your maximum heart rate during the work periods. This relates back to what I was saying earlier regarding an intensity that is hard for you. Your target heart rate zone is a personal guideline, so getting close to your maximum heart rate may be something to work towards — initially, you might aim to get your heart rate within the lower end of the target heart rate zone as a starting point.

HIIT workouts can also be tailored by varying the work-to-rest ratios. For example, beginners may use a 1:2 ratio, training all-out for 60 seconds and then resting for twice as long. People who have been doing HIIT for longer may transition to a 1:1 ratio; that is, training at high intensity for 60 seconds and resting for 60 seconds before repeating. 

As you progress with HIIT training, you may choose to begin shortening the ‘work’ periods slightly — for example, going from 60 seconds to 45 seconds.  Shorter work periods means you can reach a higher intensity (thanks to your increased fitness level) because you don’t have to sustain the work period for as long. 

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How important are rest periods during a HIIT workout?

The focus of high-intensity workouts is the intensity. You should be giving your all and really elevating your heart rate during the work period, then taking a rest break. Chances are you will feel so tired that you savour every second of that rest period. 

The rest periods are also when your body prepares itself for the next work period, so don’t skip them! 

How often should you do a HIIT workout? 

You might be sold on the positive effects of high-intensity workouts. Maybe you’re tempted to increase the number of workouts you’re doing in this style, especially because it is a short workout. Before you start adding HIIT to each day of your workout planner, keep in mind that your body needs recovery time, especially after such an intense workout. 

Just like any form of training, if you are not getting sufficient rest you can put yourself at risk of overtraining or an injury. Because HIIT requires so much of your body, make sure you are having a break of a day or two between each session as well. 

Including HIIT in your routine

If you’re following my BBG program, HIIT might already be part of your routine. Because your body really has to work hard, HIIT may not be the best option for a beginner — but it does give you a goal to work towards!

While HIIT workouts are short on time, they can have benefits for your body long after you finish the workout. Don’t be scared to try this style of workout, ladies! Mixing your workouts up during the week can help you to avoid a plateau and definitely helps to keep it interesting!

Love, Kayla xx

* Results may vary. Strict adherence to the nutrition and exercise guide are required for best results.

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