Looking for a description on key terms for the NASM exam? First check out Part 1 in our Reciprocal and Autogenic Inhibition Series!

Why "Muscle Knots" Are One of the Most Misunderstood Topics in Fitness

Almost everyone has experienced what they call a muscle knot.

You feel a tight area in a muscl...

Why This Topic Confuses So Many NASM Students

If there is one area of the NASM CPT curriculum that students consistently struggle with, it is muscle imbalances.

The problem is not that the concepts are particularly difficult. The problem is that most people learn the terminology as four separate d...

Why Program Design Feels So Confusing

When you first learn NASM program design, it feels complicated.

There are:

• Multiple phases
• Different goals
• Linear vs undulating periodization

👉 But like anything complex, the key is to simplify the rules.

🎯 The Core Rule You Need to Know

“You nee

...

Why the Resistance Chapter Confuses Everyone

If you’re studying for the NASM CPT, the resistance training chapter can feel overwhelming.

There are a lot of exercises—and most people try to memorize them.

👉 That’s the mistake.

Instead, you want to understand the rules that let you classify any ex...

If you’re studying for the NASM CPT, muscle functions can feel way more complicated than they need to be.

You’ll see terms like:

• concentric
• eccentric
• isometric
• isolated function
• integrated function

…but the test doesn’t want complicated definitions—it wants you to understand how movement ...

If you’re studying for the NASM CPT exam, there’s a good chance you’ve already come across the exercise library—and maybe even felt overwhelmed by it.

Here’s the truth most people don’t realize:

The exercise library is not meant to be your primary study tool.

And if you’re using it like flashcard...

If you’re studying for the National Academy of Sports Medicine CPT exam, one of the simplest—but most important—concepts to understand is anatomical position.

It might seem basic at first, but this concept is the starting point for everything in biomechanics, including:

• Planes of motion
• Movemen
...

Heart Circulation Explained: A Complete Guide to Blood Flow and Key Terms

Understanding how blood flows through the heart is an important concept for the NASM CPT exam—and for truly understanding how the body functions.

The challenge isn’t just memorizing the steps.
It’s understanding:

• The orde
...

Horizontal vs Vertical Loading: How to Choose the Right Training Method

When designing a strength training program, one of the most important—but often overlooked—decisions is this:

👉 Do you structure the workout horizontally or vertically?

This choice directly impacts:

• Strength development
• M
...

Osteoporosis Training Guidelines: How to Safely Train at the Intensity Needed to Build Bone

If you’re working with clients who have osteopenia or osteoporosis, one of the most important—and misunderstood—concepts is this:

👉 Bone requires high intensity to remodel (grow new cells).

Most trainers i...

Overactive vs Underactive Muscles: Think “Tight vs Weak”

If you’re studying for the NASM CPT exam or learning corrective exercise, there’s one concept that shows up everywhere:

Overactive vs underactive muscles.

But here’s the easiest way to understand it:

Overactive = Tight = Shortened = Needs ...

The NASM OPT Model Explained: A Complete Guide to Levels, Phases, and Program Design

If you're studying for the NASM CPT exam—or trying to become a better coach—the OPT (Optimum Performance Training) model is one of the most important concepts you need to fully understand.

But here’s the problem:
...