How To Do Interval Training... The Right Way | Yuri Elkaim

How to Do Interval Training… The Right Way

How to Do Interval Training… The Right Way

You’ve seen those people at the gym, slogging away on the treadmill for hours and hours. Or standing in line for hour-long classes. Maybe you’ve wished you had time to be one of those fitness junkies.

The good news is that you don’t have to be… nor should you be.

All you need is to learn how to do interval training properly. That’s it. Doing so will save you countless hours of needless cardio and provide you with shockingly awesome fitness and health benefits.

What is Interval Training?

Interval training, also known as HIIT (High-Intensity Interval Training), uses bouts of high intensity activity followed by a recovery period.

Because you’re breaking up your intense work with bouts of recovery, you’re able to train at a higher intensity for a longer period of time, which can help you burn more fat.

The graph below gives you an idea of how your average heart rate (dashed line) increases throughout the burst training workouts. Because you don’t fully recover, notice how it inches up throughout the workout. That’s what you want for maximum fat and performance improvements.

Graph of how your average heart rate (dashed line) increases throughout the burst training workouts

How to Do Interval Training… The Right Way

There are thousands of possible interval protocols that you can follow, which makes it close to impossible to know where to start. So let me help you, ok?

Interval Training for Beginners:

I would generally recommend that, as a beginner, you start with a “work to rest ratio” of 1 to 4. That means, you’ll be resting 4 times as long as you work. Here are few examples of interval training workouts for beginners:

  • 30 seconds of work (80-90% max effort) followed by 2 minutes recovery – repeat 5 times.
  • 10 seconds @ 100% effort followed 40 seconds of recovery – repeat 6 times
  • 5 seconds @ 100% effort followed by 20 seconds of recovery – repeat 10 times

Note: “Recovery” doesn’t mean that you stand around and do nothing. If you’re running, it would mean jogging instead of sprinting. If you’re doing any other form of cardio, you’d simply slow down your movement during the recovery period.

Interval Training for Intermediate/Advanced:

As you get fitter, you can shift that ratio so less time is spent recovering and more time is spent near your maximum intensity. This can reduce the duration of your workouts and greatly increase their effectiveness. Basically, the fitter you become, the lower your work to rest ratio becomes. Here’s what I mean:

1:4 <—- beginner
1: 3
1:2
1:1
2:1
3:1
4:1 <—- very advanced

For instance, many of my intervals (be it sprinting, doing kettlebell swings, jumping rope, or anything else) look like this:

Work to Rest ratio of 1:1:

  • 10 seconds @ 100% effort : 10 seconds of recovery
  • Repeat for 10 minutes

Work to Rest ratio of 3:1

  • 1 minute @ 90% effort : 20 seconds of recovery
  • Repeat for 4 minutes

This type of workout creates a substantial fat-burning effect.

During the high intensity bout, your body goes into oxygen debt. You push yourself to the limit and hold your max output for that amount of time.

Once you’ve finished, your body is thrown into recovery mode. It literally has to work to repay the oxygen debt. To do this, it draws on energy stores via fat oxidation.

However, as you can probably imagine, with intervals you never really allow yourself to fully recover. And that’s the beauty.

As you see in the above graph, your average heart rate increases over time, even though you’re throwing in recovery bouts throughout.

Unless your recovery bouts are 10 minutes long (or the like) your body will never fully recover during the workout, which means you spend more of your time closer to your maximal heart rate.

And that’s a great thing for improving all aspects of your fitness and helping your body burn more fat.

This video sums up the power of interval training:

The Science of Interval Training

Still sound too good to be true? Let’s walk through some of the hard science of high-intensity interval training.

In a 2011 recap of high-intensity interval exercise, researcher Stephen Boucher wove together a variety of studies on moderate walking and jogging, stating:

Most exercise protocols designed to induce fat loss have focused on regular steady state exercise such as walking and jogging at a moderate intensity. Disappointingly, these kinds of protocols have led to negligible weight loss.

That mid-level treadmill ride that you’ve been doing all these years? It barely moves the weight loss needle. However, after looking at study results from interval training he reports:

“Regular (interval exercise) has been shown to significantly increase both aerobic and anaerobic fitness. It also significantly lowers insulin resistance and results in a number of skeletal muscle adaptations that result in enhanced skeletal muscle fat oxidation and improved glucose tolerance.” (1)

In recent years, more and more studies have proven that fat loss happens best with interval training. 

The journal Metabolism compared a 20-week endurance training program with a 15-week burst-training program and found burst trained participants lost 9x the fat as the endurance athletes. 9x! (2)

And if that’s still not enough to get you, here’s a quick run-down of other astonishing findings on interval training:

Burst Training Burns Fat for 24 Hours:

Journal Medicine and Science in Sports and Exercise – 1996
“Not only did the interval group burn more fat during exercise, but they exhibited increased fat burning effects that persisted for 24 hours after the exercise had stopped. “

Burst Training Improves Cardiovascular Endurance:

Journal of Applied Physiology – Feb 10th, 2005.
“Subjects of average beginning fitness levels performed 16 minutes of high-intensity sprinting over a two-week period. When retested after two weeks, endurance had doubled.”

Women Lose More Body Fat with Burst Training Than Aerobic Zone Training:

Journal Medicine and Science in Sports and Exercise – 2001
“Despite exercising longer and burning the same number of calories, the aerobic group lost less body fat at the end of the study than the interval group.”

Burst Training Helps You Adapt to Stress:

Dr. Jade Teta, co-author of The Metabolic Effect Diet writes:
“Cortisol is the Jekyll-and-Hyde hormone because it can be your best friend or worst enemy when it comes to fat loss. Long-duration cardiovascular exercise increases cortisol, but never breaches the intensity threshold necessary to get trigger [fat-burning hormones] like human growth hormone (HGH) and testosterone.”

Burst Training Turns Your Body into a Fat-Burning Machine:

Dr. Ben Sweeney, noted expert of Burstclub.com indicates:
Research done on both elite and novice athletes shows that high-intensity, short-duration exercise, or burst training, actually increases your muscle building hormones like natural human growth hormone and testosterone, as well as beta endorphins (it’s ok ladies—this is a good thing!). This hormonal shift turns your body into a muscle-building, fat-burning machine.” 

How to Start Interval Training

How to Start Interval Training (No Cardio Equipment)

Interval training is all about reaching this higher intensity to reap the benefits of improved fitness, increased fat loss, and more.

It can be done via cardio exercise or bodyweight and strength training exercise as well. It’s all about how you set up your workout.

Here are a few ways to do interval training without cardio equipment…

1. Jumping Rope:

20 seconds @ 100% effort : 40 seconds @ recovery pace x 5 (5 minutes)

=> More examples here.

2. Burpees

30 seconds @ 100% effort (the burpees) : 30 seconds recovery (jogging on spot) x 5 (5 minutes)

3. Quick Steps (6-8 inch step)

10 seconds @ 100% effort : 20 seconds recovery (nice and easy stepping) x 10 (5 minutes)

A lot of the research seems to indicate that the benefit comes from giving it everything you’ve got during the work bouts. Thus, longer work bouts (more than 1 minute), although still beneficial, may be less effective than short 5-20 second all-out efforts, especially for burning fat. After all, you can only go all-out for so long, right?

Here are a few interval training routines you can try:

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