Why Coaches and Parents Need to Understand Movement Science
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Nervous System Regulation5 min read

Why Coaches and Parents Need to Understand Movement Science

By Tracy Tanguay

September 7, 2026

movement scienceyouth sportsinjury preventionathletic performancenervous systemcoaching tips

Why Movement Science for Parents and Coaches Matters

If you are a parent or a coach, you spend your life watching the "what." You watch the ball leave the bat, you track the pitch speed, and you cheer as your athlete crosses the finish line. But if you aren't paying attention to the "how," you are missing the most critical component of athletic longevity and success. Understanding movement science for parents and coaches is not about getting a degree in biomechanics; it is about recognizing the patterns that lead to power or, conversely, to the trainer's room.

In my work across 27 MLB organizations, I have seen the same patterns play out repeatedly. We focus so heavily on the destination—the max lift or the top speed—that we ignore the space in between. My goal is to simplify this complexity, stripping away the jargon so that parents and coaches can actually apply these principles to help their athletes move with more resilience and less risk.

The Liminal Space Philosophy

Most training models are obsessed with end-range positions. We want to see the perfect squat, the perfect pitching delivery, or the perfect swing path. However, elite movement is not just about the positions you can hold; it is about how efficiently you travel through the space between them. I call this the Liminal Space, the threshold where the magic happens.

If your athlete can hit a perfect position but is inefficient in the transition to the next, they are leaking energy. When the system stops managing the space between demands, that is where the breakdown occurs. True performance is found in the fluid connection between those positions, not in the static moments we typically photograph for social media.

Why Understanding Movement Science Matters

There is a fundamental gap in how we currently train. We often skip foundational movement patterns in favor of advanced work, allowing athletes to build layers of power on top of dysfunction. This leads to the second major issue: an injury epidemic that has become the accepted norm in youth and professional sports. The root cause is rarely bad luck; it is that these movement patterns were never properly corrected.

When you understand movement science for parents and coaches, you move past the information ceiling where you know something is "off" but cannot name it. By focusing on my five pillars—Breathing, Opposition, Connection, Grounding, and Transitions—you can shift the focus from merely "getting through a drill" to building a nervous system that actually trusts the movement. If an athlete holds their breath, braces, or loses diagonal opposition, the system is compensating, and compensation is always expensive.

How It Impacts Performance

When we stop guessing and start optimizing, the results speak for themselves. In my work with professional athletes, applying these principles has led to significant, measurable improvements in on-field performance and availability.

  • 15x fewer days on the Injured List: 4 days vs. the 50-day league average.
  • 87% of pro clients on the mobility series spent zero days on the IL.
  • 0.63 ERA reduction for pitchers across the full season.
  • 48% of pitchers saw a 2-5 mph velocity increase.
  • 80% increase in home run rate for hitters.
  • 69% of pitchers increased K/9 rate.
  • 93% of players promoted at least one level.
  • 0 injuries all season for the Angelo State D2 National Champs.

Practical Advice for Better Movement

You don't need a lab to start improving the way your athlete moves. You need to prioritize the basics. Here are three ways to apply these principles immediately.

  1. Check the Breathing: If your athlete is bracing or their shoulders are rising during a movement, they do not trust it yet. Have them perform a short seated breathing drill against a wall, focusing on full exhales and filling the back ribs.
  2. Prioritize Grounding: Remember that the ground is information. If your athlete is wobbling or losing their balance, they have lost their connection to the floor. Use quadruped patterns like a bear crawl to ensure they are getting pressure through the hands and feet to organize everything upstream.
  3. Train the In-Between: Stop looking only at the finish of a rep. Watch how your athlete transitions from one side to the other. Use movements like hip switches to ensure they are mobilizing and loading through the entire range with controlled, connected breath.

The Bottom Line

Stop training for the destination and start training for the journey. When you learn to identify movement dysfunctions before they become injuries, you change the entire trajectory of an athlete's career. For a much deeper dive into the specific protocols and the framework behind the movement, my book, Sh!t About Movement You Should Know, provides the full roadmap for taking these concepts from the classroom to the field.

The Framework

The Five Pillars of Movement

Essential components for athletic efficiency and safety

01

Breathing

The regulator for the nervous system.

02

Opposition

Diagonal conversation between body corners.

03

Connection

The thread between joints from the ground up.

04

Grounding

Pressure through feet and hands provides info.

05

Transitions

The space between positions where efficiency lives.

Ready to Go Deeper?

The Liminal Method Programs

The 12-Week Mobility Series and UNFCK Your Nervous System programs are built around these exact principles. Trusted by 27 MLB organizations.