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Illustration of a buff weightlifter confused at why he isn't losing weight.

Why Aren’t You Losing Weight in a Calorie Deficit?

If you ask about why you aren’t losing weight in a calorie deficit, the common answer is: “Because you’re not in a calorie deficit. You need to eat fewer calories.” That’s not entirely wrong, and we’ll get into it, but it’s factually wrong.

You can maintain or even gain weight in a calorie deficit. In fact, there are several different ways this can happen, all of which make perfect scientific and logical sense. By shining light on these exceptions, we can fully illuminate the truth.

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Illustration of a person burning calories by lifting weights.

How Many Calories Does Weight Lifting Burn? (With Calculator)

How many calories you burn while lifting weights depends on how much you weigh and how much lean mass you’re carrying. It also depends on how much weight you’re lifting, how long you’re resting, and how long your workout is. It quickly gets complicated.

Fortunately, we have Greg Nuckols, MA, who reviews muscle and strength research on his site, Stronger by Science. He figured out a simple heuristic for estimating how many calories a workout burns. I’ve built his formula into a simple calorie calculator you can use.

All we need to know is your weight, body fat percentage, and the length of your workout.

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Illustration of a bodybuilder doing biceps curls for the Arm Day of his Bro Split Workout routine.

The Perfect Bro Split Workout Routine

The Bro Split is surprisingly controversial. Most guys assume it’s for casual lifters who never took the time to learn how to program a proper workout split. That’s not the case. 2/3rds of competitive bodybuilders use Bro Splits (study).

A well-designed Bro Split can be incredibly good for building muscle, especially in your arms and shoulders. In this article, we’ll teach you how to do it right. We’ll talk about why it works, how to build your own Bro Split, and then give you a sample routine you can follow (and customize).

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Diagram showing the various back muscles.

What Muscles Do Pull-Ups Work?

Pull-ups, often conflated with chin-ups, are a compound exercise for your upper back. They’ll give you a wide back and thick arms—and we’ll talk about which back muscles they’re best for—but what makes pull-ups even more interesting is how they work muscles you never would have expected.

There are a few interesting things to cover:

  • Which back muscles do pull-ups work?
  • Are pull-ups good for building bigger biceps?
  • Are pull-ups good for building bigger triceps?
  • Why are pull-ups so famous for building bigger lower lats?
  • How do pull-ups train your abs?
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Illustration of a bodybuilder doing chin-ups instead of pull-ups.

The Best Pull-Up Alternatives (for Building Muscle)

Pull-ups are one of the very best back exercises, rivalled only by chin-ups and deadlifts. The problem is not everyone can do them. Some people aren’t strong enough. Others don’t have a pull-up bar. Fortunately, there are near-perfect alternatives. You won’t miss out on anything.

Over the past twelve years, we’ve helped over ten million readers and over ten thousand clients bulk up their backs with or without pull-ups. They’re a great exercise, but you don’t need them.

Without further ado, let’s talk about what the pull-up does and how to replace it.

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Illustration of a bodybuilder with a huge bowl of food. Illustrated by Shane Duquette for Outlift.

How Many Calories Should You Eat to Build Muscle?

To build muscle, you need extra calories. Those calories don’t always need to come from food. Many of us carry quite a lot of extra energy in our guts. If that’s you, you’ve got plenty. You can listen to your appetite, eat a comfortable amount of food, and stimulate muscle growth with your training. No problem.

If you’re thinner or leaner, you’ll need to eat those extra calories. That means you’ll need to eat in a calorie surplus—you’ll need to bulk. The size of that surplus is up to you. If you eat 100 extra calories every day, you’ll build muscle slowly and leanly. If you eat 750 extra calories, you’ll build muscle faster, but you may also gain more fat. I’ll give you some options below.

Now, here’s where it gets tricky. To eat in a calorie surplus, you need to build on what you’re already eating. One approach is to take your current diet and increase the serving sizes or add snacks. Another approach is to count calories. Both methods work.

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Illustration of a man flexing burning muscles.

How Many Calories Does a Pound of Muscle Burn?

A pound of muscle burns around 6 calories per day at rest (studystudystudy, study). However, it also takes energy to carry around and use those muscles. Your heftier leg muscles need to haul your beefier upper body around. This can double or even triple the calories your muscles burn.

All told, a pound of muscle burns more like 8–16 calories per day. I’ve given a full explanation below. I’ve also made a simple calculator.

Perhaps more importantly, I want to talk about the implications of burning those extra calories. Usually, burning more calories is a good thing. You get to eat more food, which means you get to eat more nutrients—more energy, but also more fibre, probiotics, and micronutrients.

However, many naturally thin people worry that to maintain the muscle they gain, they’ll be forced to eat an uncomfortable amount of food forever. I had that same worry.

To my horror, my worst nightmare came true. I gained nearly 60 pounds of lean mass, and my calorie needs went up by over 700 calories per day. To my great relief, it wasn’t anything like I expected.

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What Happens If You Spread Your Workout Throughout the Day?

What if, instead of doing your workout all at once, you spread your sets or exercises over the day? Maybe that means doing your squats before work, your push-ups before lunch, and your chin-ups before dinner. Or maybe you spread your five sets of chin-ups throughout the day, resting a few hours between each set.

There are many different ways you could split up your workout. How will that affect muscle growth, muscle recovery, fat loss, and your health?

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Cartoon illustration of a bodybuilder going for a jog to improve his cardiovascular health.

Does a Calorie Surplus Help With Cardio?

You need an abundance of energy to build muscle. You use that energy to convert protein into muscle mass. You can get that energy by eating more food or by burning body fat (if you have an abundance of body fat).

It’s less clear whether you need extra calories to make cardiorespiratory adaptations. Will eating in a calorie surplus help you construct more blood vessels, gain new mitochondria, carry more oxygen in your blood, and build a bigger left ventricular wall in your heart?

Let’s dive into it.

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Illustration of a bodybuilder jogging to improve his cardiovascular fitness.

Concurrent Training: How to Schedule Cardio & Weight Training

In this article, we’ll teach you how to improve your cardiovascular fitness while building muscle and getting stronger. We want the health benefits of doing cardio, but we aren’t trying to lose weight. We’re trying to build muscle. That changes things.

  • You need to schedule your cardio and muscle-building workouts. That means you’ll need to schedule your cardio somewhat carefully. Otherwise, the so-called “interference effect” can interfere with the muscle-building adaptations you get from lifting weights. Some people downplay this effect, but the latest research shows it can cut your rate of muscle growth in half (study).
  • Lifting weights improves cardiovascular fitness. Lifting isn’t ideal for improving cardiovascular fitness, but it’s not too bad. If you lift weights, you’re probably in significantly better shape than the average person.
  • If you’re trying to build muscle, you’ll have different questions about cardio. What type of cardio should you do while bulking? Will doing cardio help you build muscle more leanly? Can weight training count as cardio? How can you maximize cardiovascular and muscle-building adaptations at the same time?
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