FitnessCoachBlog

FitnessCoachBlog is run by Greg DiRenzo, he is an accomplished fitness professional with over 25 years of helping people to achieve things they never thought possible. He supports and helps clients achieve great levels of fitness. Greg experience is shown in his diverse clientele, from professional athletes all over the US to everyone from the weekend warrior to the 60 hr per week executive to the stay at home mom. Greg’s clients come to him because they want results.

Thursday, September 3, 2026

Why Neurological Adaptation to Strength and Speed Is Essential for Athletic Development and Injury Mitigation

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As a sports physiologist and strength and conditioning coach, one of the most overlooked truths in training is this: Your muscles do not ge...
Thursday, August 27, 2026

Why Neurological Adaptation Demands High-Intensity Training — and Why You Must Respect CNS Fatigue

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As a sports physiologist, performance coach, and neuroscience coach, one of the most important truths I can share with athletes is this: Yo...
Thursday, August 20, 2026

What Is Fitness for the Youth and Adult Athlete — and How Do You Actually Achieve It?

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Fitness is one of the most overused and least understood words in sports. For some, it means looking good in the mirror. For others, it mea...
Thursday, August 13, 2026

It’s Not About You: Why Some Coaches Can’t Stop Taking Credit for Their Athletes’ Success

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Scroll through Instagram or TikTok and you’ll see it constantly. A young athlete hits a personal best, makes a roster, or wins a championsh...
Wednesday, July 29, 2026

Heart rate monitoring has limited to no practical value for.....

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Heart rate (HR) monitoring has limited to no practical value for programming or assessing intensity during gym-based resistance training in ...
Wednesday, July 15, 2026

The Ultimate Fuel: Why Nutrition, Vitamins, and Supplements Matter for Teenage Athletes

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  Teenage athletes are in a unique high-demand phase — their bodies are growing rapidly while simultaneously being pushed through intense tr...
Thursday, July 9, 2026

Why Every Youth and Teen Athlete Needs a Structured, Data-Driven, Science-Backed Sports Performance Training Protocol

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In today’s competitive youth sports landscape, simply playing the sport and hoping for the best is no longer enough. Young athletes who want...
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Greg DiRenzo
World Wide Web, Florida, United States
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