John Matulevich

Ruthless Performer Q&A – Maximizing Health Span with Kyle Fisher

**Editor’s Note: Today’s Ruthless Performer Q&A Series is one of the most expansive in the Q&A series to-date. Like many health professionals, Kyle’s own history in sports and wellness lends credibility to many of his thoughts on health and maximizing the health of athletes and the general population. If you like what Kyle has to …

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Why Do Ruthless Performance Workouts Use the Same Mobility Drills in the Warm-Up and Cool-Down?

Most of the programs that we design and implement at Ruthless Performance have some meticulously detailed cool-down for an athlete to do following their last exercises of the day. And in most cases these are some combination of mobility drills, breathing techniques, or myofascial release strategies. Past all of the very significant reasons that a …

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Internal Program Review: Strength Training for an Elite Freshman Swimmer

We’ve added a new post in our Internal Program Review series. This time, we’ve published the post with our partners at Swimming Science. This program review focuses on a single training day within one of our high school swimmer’s program. Read more on this at Swimming Science. You can also find other Internal Program Reviews here, on RuthlessPerformance.com. Internal Program Review: Corrective …

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The Physiology of Performance – Part 1: Understanding the Hypothalamic-Pituitary-Adrenal Axis

An unfortunate setback in the science of human performance is the large emphasis currently placed on muscle physiology as a means of maximizing performance. While obviously the muscles play a critical role in athleticism, the muscular system is completely at the whim of the nervous system; the junction of these two is known categorically as …

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Internal Program Review: Corrective Exercise Program for an Elite Female CrossFit Athlete

Throughout the entirety of my college tenure and time as a collegiate strength & conditioning coach, I was extremely averse to CrossFit. Though my stance hasn’t changed much regarding CrossFit as a means of enhancing athletic prowess, it has changed considerably towards using CrossFit as a means of enhancing fitness in the general population as …

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Ruthless Performer Q&A – Elite Sports Nutrition with Jesse Rodriguez R.D.

Today’s Q&A guest is our own sports nutritionist Jesse Rodriguez. Jesse has his own prolific history as a national-level swimmer for El Salvador and here in the United States competing in college and post-graduate for the University of Southern California. This all makes Jesse a world-class resource as not many people have competed at this …

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Internal Program Review: High School Swimmer Pre-Season Strength Training – Day 2

With the vast expanse that is the winter swim season raipidly approaching, I wanted to take the time to yet again detail one of our swimming programs. In this particular case, we’re going to explain the Ruthless Performance methods that made this program so effective. To provide context for this case study, we will be …

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Ruthless Performer Q&A – Functional Medicine with Dr. Touchinsky

This post marks the first in our new Ruthless Perfomer Q&A series. Throughout this series we’ll be talking with various health and fitness influencers regarding their specific niche and how it effects the world of health and wellnessa at-large. Today we’re joined by Dr. Touchinsky who established Blue Mountain Family Chiropractic in 2005. His early focus was …

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Building a plate

Making small changes will lead to bigger results. Start off with behavioral changes before jumping on to the new diet out there. This means things like eating on a smaller plate, removing the salt from the table, reducing serving sizes, etc. In general, a “healthy” or “healthier” plate should include a protein, whole grain, complex …

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