Blog
The Biggest Assessment Mistakes Personal Trainers Make
After 30 years in the fitness industry, I’ve seen the same assessment mistakes repeated again and again. Many personal trainers overcomplicate the process with endless screens and diagnostics. In this article, I explain the most common assessment mistakes and how trainers can simplify their approach while still gathering the information they need.
The Biggest Assessment Mistakes Personal Trainers Make
After 30 years in the fitness industry, I’ve seen the same assessment mistakes repeated again and again. Many personal trainers overcomplicate the process with endless screens and diagnostics. In this article, I explain the most common assessment mistakes and how trainers can simplify their approach while still gathering the information they need.
I Don’t Plan to Retire in Four Years… But I Could If I Wanted To
After 30 years in the fitness industry, John Paul Catanzaro explains why personal trainers must plan financially, build a sustainable business, and invest consistently for long-term success.
Thirty Years as a Personal Trainer: A Day in the Life of a Seasoned Coach
What does a real day look like after 30 years in the fitness industry? Here’s a behind-the-scenes look at coaching, clients, and the routines that
Learn to Use Your Back When Doing Chin-Ups
One of the biggest mistakes I see with chin-ups is relying too much on the arms instead of using the bigger and stronger muscles of
The Personal Trainer’s Blueprint for Assessments: 30 Years in the Making
In 2026, I celebrate 30 years in business as a personal trainer. That milestone didn’t come from chasing trends, copying what everyone else was doing,
Mastery Over Mediocrity: Reread Great Books and Master Great Movements
In a world obsessed with novelty, we often forget the power of repetition. Whether it’s reading or training, mastery doesn’t come from dabbling—it comes from
Tendon Training 3.0: The Science of Load, Healing, and Hormonal Balance
If you’ve followed our tendon training series so far, you know that Dr. Keith Baar’s research has reshaped how we think about connective tissue health.
Tendon Training 2.0: Advanced Insights on Healing, Hormones, and Longevity
If you haven’t read Part 1 — The 10-Minute Tendon Protocol: How to Build Stronger, Injury-Proof Tissue — start there first.This follow-up dives deeper into
The 10-Minute Tendon Protocol: How to Build Stronger, Injury-Proof Tissue
Most athletes train muscles. The smart ones train tendons. The problem? Tendons don’t give you warning signs. There’s no such thing as delayed-onset tendon soreness.
From Zero to Two: Leo’s Chin-Up Breakthrough
When Leo began training with me in September 2024, our first goal was to improve body composition — lose fat, build a foundation. By May
Standing Band Pressdowns: The Joint-Friendly Triceps Builder
If you want bigger, stronger arms but struggle with elbow pain or can’t seem to get the right triceps activation from cable pressdowns, it’s time
Resistance Training Foundations: How to Progress Safely and Build Real Strength
Resistance training isn’t just for bodybuilders. Whether you’re just starting out, returning after a break, or training for performance, knowing how to build a smart
Neck Extensions Before Arm Curls: Unlock More Strength
When most people warm up for arm curls, they’ll hit a few light sets or maybe stretch out a bit. Rarely do they consider the
Upgrade Your Pull-Ups with Swissies-SP Handles
Pull-ups are one of the best exercises for building back and arm strength—but not all pull-up bars are created equal. If you only have access
Priming Exercises: The Secret Weapon for Explosive Performance
Most athletes warm up before training or competition—but few take advantage of priming exercises. These short, explosive sessions can “pre-charge” your nervous system and dramatically
Have Your “Meatza” and Eat It Too!
By Mary Catanzaro Let’s be honest—most of us enjoy a good slice of pizza every now and then. But what we don’t enjoy is the
Why METH Beats RICE for Injury Recovery: Science Finally Catches Up
Back in 2012, I introduced a controversial—but far more effective—approach to treating soft-tissue injuries. The acronym? METH, which stands for: At the time, the gold
Butcher Balm: This Stuff Works!
A review of Butcher Balm, a powerful transdermal formula combining BPC-157 and TB-500 for localized healing and pain relief—no injections required.
Target Your Rear Delts Like Never Before
If you’ve struggled to feel your rear delts working—or to fill in that rear delt gap—this variation of the bent-over lateral raise could be the
Leo’s Chin-Up Journey (Day 1): From Zero to Hero
Can’t Do a Chin-Up? Neither Could Leo… But That’s About to Change. Leo started training with me back in September. Our initial focus was body