Cartoon of a bodybuilder using the mind-muscle connection while doing dumbbell biceps curls.

Does the Mind-Muscle Connection Actually Increase Muscle Growth?

Most bodybuilders absolutely swear by the mind-muscle connection. They slow their reps down, really focusing on squeezing the target muscle, feeling it do the work. The idea is that the better their connection with the muscle is, the better they’ll be able to engage their muscle fibers, and so the more muscle growth they’ll be able to stimulate.

On the other hand, most people who train for strength and power couldn’t care less about the mind-muscle connection. Even when they’re trying to bulk up, they lift explosively to maximize performance. To them, tension doesn’t come from the mind, it comes from the weight on the bar and how fast they can move it.

The argument for the mind-muscle connection is anecdotal. It comes from bodybuilding culture. But if we look at all the biggest and strongest people in the world, the anecdotes and recommendations really go both ways. That makes things tricky. Should we listen to the bodybuilders or the strength athletes? Both?

Fortunately, there are two studies that help shed some light on the situation.

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Cartoon of a bodybuilder doing cheat biceps curls with bad technique.

Lifting With Momentum is Good, Actually

Lifting with momentum has a bad reputation, especially among bodybuilders. The concern is that if you lift explosively, or if you cheat, or heave, or swing, then you’ll make some parts of the lift too easy on the muscles you’re trying to train. I disagree with that idea, but there is a small grain of truth there. Sometimes.

What’s rarely mentioned, though, is how if you use momentum wisely, it can help you gain more strength, athleticism, and even muscle mass.

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Illustration showing a bodybuilder lifting weights explosively and then lowering them slowly and under control.

How Fast Should You Lift & Lower Weights?

If you lift weights slowly, you can keep tension on your muscles for longer, but you won’t be able to lift as heavy.

If you lift weights with a normal tempo, you can lift more weight, but you won’t be keeping tension on your muscles for as long.

If you lift weights fast, you’ll engage more muscle mass and increase your performance, but you’ll also increase momentum, and it will be harder to maintain a strong mind-muscle connection.

So, how fast should you be lifting and lowering weights? And how should your lifting tempo change if you’re training for strength, athletic performance, or muscle size?

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Illustration showing a bodybuilder doing the bench press with a flat back and with an arch.

How Does Arching on the Bench Press Affect Muscle Growth?

Most people arch when they do the bench press, especially if they come from a strength training or powerlifting background. It shortens the range of motion and gives our shoulders better leverage, allowing us to push more weight. But what if you aren’t a powerlifter? What if you aren’t just trying to move more weight, you’re also trying to build more muscle? Should you be arching? Or does it turn the bench press into more of a decline press, biasing your lower chest, leaving your upper chest high and dry?

A new study by Cudlip and colleagues compared muscle activation when benching with a neutral spine versus benching with an arched back. It looked into back and triceps activation, as well as upper and lower chest activation.

So, what did they find? How does arching your back affect muscle growth when benching?

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Illustration of a bodybuilder doing a 4-day training split to build muscle.

The Best Workout Splits for Gaining Muscle—Explained

A workout split refers to how you organize your exercises throughout the week. Should you do 2, 3, or 9 workouts? Should you stack all your chest exercises into one of those workouts, split them between two, or do a few sets every workout?

There are a few different workout splits, each of them good, but each with its own pros and cons:

  1. Body Part “Bro Split:” This split focuses on one body part per workout. Monday is Chest Day, Tuesday is Back Day, and so on. This type of split is incredibly popular with bodybuilders—and for good reason.
  2. Upper/Lower Split: This split severs your workouts into upper-body days and lower-body days. This split shifts more emphasis toward your lower body, making it great for gaining strength and athleticism. When Marco was helping professional and Olympic athletes bulk up, he had almost all of them on upper/lower splits.
  3. Push/Pull/Legs Split: This split organizes workouts by movement pattern. Pushing exercises work the triceps, chest, and shoulders. Pulling exercises target the back and biceps. Leg exercises focus on the entire lower body. It’s more logical than a Bro Split but also less clever and efficient.
  4. Full Body Split: With full-body workouts, you train your entire body every workout, which is ideal for beginner and early intermediate lifters. I gained my first 50 pounds this way. It’s an incredibly powerful split for building muscle in a hurry.
  5. Hybrid Splits: This split combines different ideas together. For example, maybe you add an upper/lower split to a push/pull/legs split, giving you a 5-day workout routine for gaining strength, athleticism, and muscle size. Or if your arms are lagging behind, maybe you add an Arm Day to your full-body routine.

Without further ado, let’s break all these splits down so you can find the one that’s best for you.

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The best chest exercises for mass

The Best Chest Exercises for Building Muscle

A few compound lifts have earned a reputation for being the best chest exercises: the barbell bench press, dumbbell bench press, weighted dip, and push-up. And it’s true, all of these are great lifts. But there’s a bit more to it than that. These are big compound lifts, working several different muscles at once. Depending on how you do them, you can be limited by your chest, shoulders, or triceps, changing which muscles get most of the growth stimulus. And if you’re trying to build a bigger chest, you need to make sure that your chest’s strength is what limits you.

A few isolation lifts are commonly used to bulk up the chest, too: the dumbbell fly, the cable crossover, the chest fly machine, and the pec deck machine. Again, all of these are great exercises. All of them will help you bulk up your chest. But you can speed up your muscle growth by quite a bit if you focus on working your chest under a deeper stretch, and some of these lifts are better at that than others.

Finally, we have the upper chest, which is often treated as a whole separate beast. What are the best lifts for building a bigger upper chest, and what kind of priority should you give them in your workout routine? For example, should the incline bench press be your main chest lift? Or should you favour the flat bench press?

So, what are the best exercises for building a bigger chest? What are the best lifts for building a bigger upper chest? And how should we organize them into a workout routine? Let’s dive in.

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Before and after illustration showing the results of a man building a bigger chest.

How to Build a Bigger Chest (Even If It’s Lagging Behind)

The chest is one of the biggest and most powerful muscles in our bodies, but it’s also notoriously difficult to grow, and many people find that it lags behind. In fact, if you’re a naturally skinny guy with narrow shoulders or a shallow ribcage, building a bigger chest may seem downright impossible. I’ve been there.

There are a three principles that reliably improve chest growth:

  • Choose exercises where your chest the limiting factor, ensuring that it gets most of the growth stimulus. And if your upper chest is lagging behind, the same rule applies: choose lifts where your upper chest is the limiting factor.
  • Challenge your chest under a deep stretch, improving how much muscle growth you stimulate with every set. As we’ll cover below, this can double your rate of muscle growth.
  • Make sure that you’re achieving progressive overload, getting stronger over time, gradually lifting more weight or doing more repetitions. This includes eating enough protein and calories to recover and grow from your workouts.

If you can get stronger at lifts that are limited by the strength of your chest, then your chest will grow. And if those lifts challenge your chest under a deep stretch, it will grow much faster.

So, which lifts are best at challenging our chests through a deep range of motion? And how can we make sure that our chests are the limiting factor? Let’s dive in.

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Illustration of a skinny guy flexing his forearm muscles.

Forearm Training: How to Build Bigger Forearms

When you first start lifting weights, it’s a good idea to focus most of your energy on the big compound lifts. Your workouts start with lifts like the squat, bench press, deadlift, chin-up, and row. These are the biggest lifts that build the most overall muscle mass. After that, we add in some isolation lifts. Curls for our biceps, extensions for our triceps, lateral raises for our shoulders, and maybe some exercises for our abs. These train the muscles that aren’t properly stimulated by the big compound lifts.

As you gain weight, build muscle, and get stronger at these lifts, you’ll probably notice that your grip is getting stronger, and your forearms are getting bigger. This is because the rows are training your elbow flexors, the biceps curls are training your wrist flexors, and the lateral raises are training your wrist extensors. They aren’t the main muscles being worked, but since we’re new to lifting weights, they grow.

The thing is, as you continue getting bigger and stronger, you’ll probably notice that your forearms stop growing. That’s because your forearm muscles have gotten both stronger and tougher, and these compound lifts aren’t challenging them enough to provoke any growth.

So how do we get bigger forearms? We train them directly. Here’s how.

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Illustration showing a beginner deadlifting to failure with a rounded back.

Should Beginners Lift to Muscle Failure?

As a new lifter trying to gain muscle size, how close to failure should you be lifting? Some argue that beginners should stop shy of failure, leaving a few reps in reserve, a few reps in the tank. There’s some wisdom to that advice. It allows beginners to better practice their technique, and it reduces the risk of injury.

Others argue that beginners should take their sets all the way to muscular failure, ensuring that they’re pushing themselves hard enough to stimulate a maximal amount of muscle growth with every set. But does taking a set all the way to failure actually stimulate more muscle growth? Let’s take a look at the research.

Finally, not every lift is the same. Some suit training to failure better than others. So it’s not as simple as saying that a beginner should always train to failure or always avoid training to failure. It often depends on the specific lift.

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Illustration showing a skinny ectomorph having trouble with the barbell bench press.

Ectomorph Workout Plan: Beginner Weight Training Routine

Skinny guys are often called “ectomorphs.” It’s a slang term referring to our thinner bones, narrower frames, shallower ribcages, or lankier limbs. Does being naturally thinner affect how we should exercise, lift weights, and build muscle?

Many of us ectomorphs also have atypical goals. Most people want to lose weight, we want to gain it. Most people intuitively eat too much food, we eat too little. We’re usually eager to bulk up, and we often have a hard time of it. Some may even worry they’ve got bad muscle-building genetics. Does that change how we should train?

Different workout programs are designed for people with different goals. Some, like CrossFit, are designed to improve our general fitness. Others, like Starting Strength and StrongLifts 5×5, are designed to improve our general strength. Still others, such as bodybuilding, seem entirely centred around helping naturally muscular guys gain even more muscle. What’s the best way to work out if we’re trying to gain muscle size?

So, how should ectomorphs work out?

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