Should You Do Cardio Before Or After Weights?

Let’s say your goal is to lose fat, build muscle or something similar.

Let’s also say that in order to reach this goal as quickly and effectively as possible, you’ve determined that you need to do both weight lifting and cardio.

Cool.

Now let’s also say that you’re going to be doing both types of exercise on the same day as part of the same workout session.

In this scenario, there’s an important question you’re going to need to answer: should you do cardio before or after weights?

Let’s figure that out right now…

Which Comes First: Cardio or Weights?

For most people, if cardio and weights are going to be done during the same workout session, then…

Weight lifting should be done first, and cardio should be done after.

Why is this, you ask?

Well, many of the reasons you’ll typically see people give for doing cardio after weights involve stuff (e.g. hormones, glycogen levels, afterburn/EPOC, etc.) that is either insignificant in the grand scheme of things or just plain old myth-based nonsense.

The truth is, what it really comes down to is just basic common sense.

If you’re doing two types of exercise back-to-back, the one you do first will have some degree of negative impact on the one you do second.

Or, to put that another way, you’re going to be fresher, stronger, less fatigued, more focused and just all around better physically AND mentally for whatever form of exercise you do first, and the opposite of that to some extent for whatever form of exercise you do second.

So, it simply comes down to starting with the one that matters the most. And that is weights.

Weight Lifting Matters More Than Cardio

Think about it.

What are the two most common workout-related goals most people have? Building muscle and losing fat, right?

  • For a goal like building muscle, cardio is not even remotely necessary. It’s purely optional. Weight lifting, on the other hand, is a requirement.
  • For a goal like losing fat, cardio is once again completely optional, as everything truly needed can be accomplished through diet alone quite easily. And yes, weight lifting is optional for fat loss as well. However, it’s a requirement for the purpose of maintaining muscle while losing fat or building muscle while losing fat… which are additional goals that nearly everyone has (or should have) when trying to lose fat.

So, one form of exercise is required for at least some part of what most people are trying to achieve, and the other is entirely optional for all of it. For that reason alone, weights beat cardio in terms of importance.

But wait, there’s more!

From the perspective of performance, safety and the amount of effort entailed, it also makes waaaaay more sense to be at your physical and mental best when doing things like squats, deadlifts, presses, rows, pull-ups, lunges and so on – where you’re lifting challenging weights in ways that need to be technically sound while constantly pushing yourself to progress further each workout – as opposed to something like sitting on a bike or jogging on a treadmill for 30-60 minutes while you listen to music, play with your phone or stare at a TV.

Weights > cardio in all of these areas and more. It’s the type of training that warrants being done first.

Are There Any Exceptions?

Yup. Like most things, there are always exceptions.

The main one would be if a person happened to care a lot more about cardio than weight lifting, or would just benefit more from it. Meaning, if their cardio performance was more important to their goals than their weight lifting performance.

In a scenario like that (e.g. someone with endurance oriented goals), it can potentially make more sense to do cardio before weights.

But keep in mind, of course, that this will be a much less common scenario.

For the majority of the population doing both types of training in the same session, weight lifting before cardio will definitely be the ideal setup.

What About Warming-Up?

A related topic you might now be wondering about is that of the cardio warm-up.

This, of course, would be the short and easy aerobic warm-up people sometimes do before lifting for the purpose of raising their body temperature before beginning their actual workout.

This is typically something like a few minutes of jumping rope, or a few minutes on a treadmill or bike.

Should this type of thing also be done after weights? The answer is (obviously) no.

Why?

Because this is not a cardio workout. This is a cardio warm-up.

do not confuse the two.

A cardio workout is typically done at higher intensities and for a longer duration of time for purposes like burning calories or improving endurance, whereas a cardio warm-up is just a few minutes of light activity for the purpose of literally warming up before the actual workout starts (and doing so without hindering your performance during that workout).

They might both involve doing the same type of activity, but they are two very different things done in very different ways for very different reasons.

So yes, if you’re going to be doing a cardio warm-up, that should still be done first.

For Cardio, Is One Time More Effective Than Another?

Alright, so we know that in the vast majority of cases, it makes the most sense to do cardio after lifting. That is indeed my recommendation.

But, what about the timing of cardio in general? Does that matter? Is one time better or more effective than another?

that is a good question, and since the people who ask it are almost always doing so from the perspective of losing fat, that is the perspective I’m going to answer it from.

So… is there any fat burning advantage/disadvantage between doing your cardio:

  • Fasted vs Fed
  • Morning vs Night
  • Before Weights vs After Weights
  • Full Glycogen Stores vs Glycogen Depleted
  • On Your Lifting Days vs On Your Rest Days

The answer is no.

What matters most for fat loss is being in a consistent caloric deficit. So as long as you’re doing the same activity at the same intensity for the same amount of time… the same amount of calories will be burned regardless of when you do it.

And if the same amount of calories are burned, the same size deficit will exist and the same amount of body fat will be lost.

So when should do your cardio workout? Whenever the hell you want. Because, in the end, doing whatever best suits your schedule and preferences and therefore makes you most likely to consistently do it is always going to be the most important part. (Additional details here: When Is The Best Time To Work Out?)

“But I Heard Fasted Cardio Was Better?”

You heard wrong.

Well, mostly wrong.

There is indeed some truth to the fact that your body burns more fat for fuel during fasted cardio than it does during fed cardio (source).

The thing is… the amount of fat you burn during exercise is not what matters.

What matters for fat loss is your overall caloric deficit over a span of days/weeks/months. Whether you happen to use slightly more fat for fuel during your 30-60 minutes of fasted cardio vs during your 30-60 minutes of fed cardio is not going to make any meaningful difference in the end.

Which means, with all else being equal, there is no fat loss advantage to training fasted. In fact, when studies take two groups of people and have one do their cardio in a fasted state and the other do theirs in a fed state, no differences are seen and the same amount of body fat is lost. (Sources here and here.)

If anything, the only real difference between fasted and fed cardio is that the risk of muscle loss is likely higher when doing it fasted (sources here and here).

No thanks.

More Cardio Questions (And Answers)

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Via : https://boutder.blogspot.com

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