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Driven by the intelligent and relentless pursuit of muscle since 1998.

The President's total testosterone is 441. Does that mean anything? Here's what you don't know about T testing.

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Tip: The Real Effects of Competition Dieting

Female competitors combine strict dieting with intense training to get ready for a show. Now science has looked at the consequences.

Tip: The Workout Cure for Dad Bod

To fight that fat gut, what's better? More weight training or more cardio? Let's see what science says.

Tip: Does Music Really Help You Train Harder?

We all think it does, but what does science say? And does the type of training you're doing change things? Info here.

5 Back Training Myths You Probably Believe

You probably think a few of these myths are true... and that's hindering your back growth. Let's set the record straight.

Tip: Eat Eggs This Way for More Muscle

Eggs eaten this way are 45% more effective in increasing protein synthesis.

8 Inconvenient Truths About Ab Training

Most of us know how to train a muscle, but most of it seems to get flushed down the toilet when it comes to abs. Here's what you need to know.

The 4 Toughest Push-Up and Pull-Up Workouts

These aren't just workouts, they're also strength and stamina tests. Grab your best friend or your worst enemy and see who comes out on top.

Tip: Unilateral vs. Bilateral Training

Which is better? Here are the facts.

Real Life Training and Eating

It's as if some training and diet programs are designed for college kids on summer break. Here's how busy people with jobs and stuff should approach things.

The Countdown Method

If this “shock and awe” hypertrophy method doesn't stimulate some new gains in size and strength, then nothing will.

Avoid This Ketogenic Rip-Off

If your goal is getting in and staying in ketosis for fat loss, then skip these bogus "keto" supplements. They may even make you fatter.

An Interview with Dr. Stuart McGill - Part 1

The world famous spine expert puts the whole spinal flexion, rounding-the-back issue to rest, along with describing the proper way to train core rotation and much more.

Tip: 5 Reasons Lifters Need Olive Oil

Next to fish oil, olive oil is the true superstar of liquid fats. Here's why.

Tip: Drink This for Stronger Erections

A juice that builds a better boner? Here's the hard science.

Tip: The Cold Hard Truth About Nutrition

Need to lose some body fat? Here's some tough love you need to hear.

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Tip: The Hardstyle Side Plank

Get better at bracing, get better at lifting. Think of this as the RKC version of the side plank.

These Coaches and Pros Are Pissed

We ask our experts a simple question: What's really grinding your gears right now in the fitness world? Check it out. They didn't hold back.

The Complete Guide to Bulking and Cutting

Here's how to adjust your nutrition to match your training goal. It covers mass phases, fat loss phases, and maintenance phases.

7 Dumb Things People Say About Nutrition

You probably hear these misguided remarks about nutrition every day. In fact, you may even be saying them yourself.

5/3/1: How to Build Pure Strength

Jim Wendler's 5/3/1/ program promises slow and steady gains that will eventually turn you into the strongest guy in the gym. And it delivers, every time.

Tip: A Simple Way to Beat Belly Fat

Adjust your diet like this and you'll lose more abdominal fat and build more muscle, even if you keep calories the same.

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Tip: The Guillotine Press

For chest development, do a light bench press to the neck. A good scheme is 6 sets of 6 reps with 20-second rest periods.

Tip: Use This to Make Zero-Carb Sandwiches

All the convenience of a sandwich without the carbs.

How I Finally Got Muscle to Grow - Phase 3

Enter the Intensity Phase. Supersets, drop sets, slow tempos, partial reps, it's all here! Bring a puke bucket.