Yes, Testosterone Injections Actually Build Muscle. Here’s How.

The catch: TRT should only be used if you’re testosterone deficient. We’ll explain why.

The Great Debate: Should You Do Cardio or Weights First?

Precisely how to schedule your sweat sesh for your goals.

Does Working Out Increase Testosterone Levels?

Here’s how your workout routine affects your T.

Can Flexing Your Muscles Make Them Stronger?

If you were looking for an excuse to admire your handiwork, this is your sign.

Zone 2 Training: Why Less HIIT May Mean More Gains

Zone 2 training boasts major performance benefits that deserve a spot in your workout routine.

Exactly How Many Calories Do You Burn Lifting Weights?

Your strength workout doesn’t hold a candle to cardio when it comes to calorie burn, unless you do this.

Asking For a Friend: Exactly How Much Should You Be Able to Bench?

Whether you’re looking to build gym cred or functional strength this is how much you should be able to bench and precisely how to do it.

The Exact Muscles You Activate When Running—and How to Injury-Proof Them

Bye, tight hammies.

Exactly Which Muscles You Work on a Rowing Machine—All 86 Percent of Them

Rowing machines work different muscles at each part of the stroke, making them one of the most efficient machines at the gym.

Ryan Reynolds’ Trainer Says Back Squats Are “Unnecessary.” Here’s What to Do Instead

Split, goblet, Zercher, and Frankenstein squats are safer.

Squats Aren’t Bad for Your Knees—as Long as You Do This

Four tips to ward off pain.

If Your Lower Back Hurts After Squats, Here’s What You’re Doing Wrong

If you’re a chronic back archer, read up.

This Simple Bodyweight Exercise Is Andrew Huberman’s Secret to Strong Knees and Big Calves

The tibialis raise can help reduce knee pain and boost performance

Asking for a Friend: Anybody Know How Long a Muscle Pump Lasts?

Whether you want to look better on the beach or admire your hard earned gains for longer, here’s how long a muscle pump lasts.

The Best Time of Day to Exercise, According to Your Body

When you work out makes a difference. Here’s what your metabolism has to say about it.

Exactly How to Use Strength and Hypertrophy Training for Targeted Gains

Break out of the standard 3 to 10 sets and unlock your potential.

If Your Back Hurts After Romanian Deadlifts, Here’s What You’re Doing Wrong

Fix your form, reduce pain.

New to Lifting? Here’s Why You Can Expect Massive Gains, Fast

The rapid progress newbies experience in the gym is more than beginner’s luck.

Small Calves Syndrome Is Real. Do This for Bigger, Stronger Calves

Bad genes have nothing on this routine.

Into Cycling? You’re Working These Exact Muscles

Each part of the pedal rotation activates a different muscle, making it an efficient way to work out—without the impact.

Hip Thrust, Glute Bridge, Kas Glute Bridge: What’s the Difference?

Exactly how and when to use each to build your glutes.

Bulking vs. Cutting: Everything You Need to Know About This Muscle-Building Strategy

Got body composition goals? This bodybuilder method might be the solution.

Exactly What Muscles Does the Elliptical Target?

It’s not just for grandma.

Back Pain When Squatting? Fix Your Butt Wink

Your glutes did what, now?

Why Is Reddit Obsessed With the Push Pull Legs (PPL) Split?

Two reasons: chiseled muscles and functional strength.

Meet Magnus Lygdback, the Trainer Behind Hollywood’s Shredded Superheroes

We talk to the celebrity trainer about his outlook on training Alexander Skarsgård, Ben Affleck, Gal Gadot, and others. Plus, why he’ll always say yes to a burger.

How to Know When You’re Ego Lifting (Plus, 6 Ways to Avoid It)

It pays to train smart.

Workouts Feeling Too Hard? Improve This Metric to Make Them Easier

VO2 max is considered the gold standard for cardiovascular fitness and performance capacity. Here’s how to improve it.

These Two Hammer Curl Mistakes Are Robbing You of Gains

How to fix them for a better pump.

Step-Ups Are the Unsung Heroes of Longterm Knee Health

How to do them, common mistakes, and three variations courtesy of Nike Master Trainer, Joe Holder.

If You Want to Live Longer, Double the Amount of Exercise You Do

It’s a lot of extra hours, but you know, worth it.

If You’re a Human, You Need a Functional Fitness Routine

How to train your muscles in a way that’s actually useful.

Sorry, but No Amount of Exercise Will Save You From That Big Mac

Healthy living is a marathon, not a sprint.

Your Workout Days Don’t Matter. Here’s the One Thing That Does.

The truth about packing your workouts in on the weekends.

This 10-Second Physical Test Could Determine Your Risk of Death

Give it a shot today to see how you stack up.

How Much Rest Is Right For Building Muscle?

Why more isn’t always better.

What the Heck Is a Bro Split?

Increase training volume and gains with this simple training split.