Research 2 Reps Roundtable - Brett Hayes

In this episode of the Research 2 Reps Roundtable, I sit down with my longtime friend and collaborator Brett Hayes, a physical therapist who helped us shape what we now call corrective biomechanics. Brett shares how his journey from the Pacific Northwest and years with the Seattle Seahawks led him to Mizzou, where we started connecting clinical rehab principles with what was happening in the weight room and on the field. We talk about how that shared vision turned into real systems, including our early work with the DARI markerless motion capture platform, and how that technology helped us move past opinion and get everyone on the same page with objective joint vulnerability data instead of just “coach’s eye” arguments.

From there, we dig into how Brett and Dr. Ernie Rimer have taken that work to the University of Louisville, using sport science as the bridge between sports medicine, strength and conditioning, and performance. Brett walks through how baselining women’s basketball with DARI and building targeted interventions helped reduce injuries five-fold over three seasons, and why the real separator is not the gadget, but integration, communication, and athlete education. We also get into athlete trust, why pros sometimes go outside the system to get scanned, and how explaining the “why” behind any intervention is now mandatory if we want true buy-in and long-term career longevity for our athletes.

In the second half of our conversation with Brett Hayes, we move from technology and tools into the real glue that holds high performance environments together. Brett talks about what happens when biomechanics, sport science, and strength and conditioning all show up in the same room speaking different “languages,” and how ego, vocabulary, and mixed messages can quietly tear teams apart. He shares stories from our days at Mizzou, working with people like Bryan Mann, and how using less threatening language, asking coaches to teach us their terms, and leading with humility builds the trust you need before any data, platform, or protocol can actually matter.

From there, we get into the weeds on the body and the brain. Brett walks through how issues like SI joint dysfunction can impact the entire kinematic chain and why quick fixes like heel lifts often miss the real problem. We talk about shifting from being “the expert with the magic hands” to being a teacher who empowers strength coaches, athletic trainers, and athletes to see what we see. That rolls right into return to play, where Brett explains why athletes must be included in the decision, educated on their own data, and trusted to understand what their body is telling them. Ernie ties it all together with research on “conceptual confusion” in healthcare teams, reinforcing that clear shared language is not soft skill, it is performance infrastructure. Brett closes with leadership book recommendations and a reminder that as you get older in this profession, the real win is not proving how much you know, but multiplying your impact by developing others.

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