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The NeuFit Undercurrent Podcast
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The NeuFit Undercurrent Podcast

Author: Garrett Salpeter

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We believe that the most powerful and transformative way to help people recover from pain and injury, heal from trauma, and reach their highest levels of fitness and performance is to focus on the nervous system! In this podcast, we'll share knowledge from the frontiers of neuroscience and inspirational stories of how applying that knowledge has empowered people from all walks of life to heal, adapt, and grow.
118 Episodes
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True athletic performance isn't built on muscle alone – it's driven by the nervous system. In this episode, Garrett explores how approaching training through a neurological lens can optimize movement, strength, and resilience across an athlete's lifetime. From youth development to elite performance, he breaks down how to train smarter, not just harder. In this episode, you'll learn: How the nervous system governs strength, coordination, and recovery The "Pyramid of Performance" framework from The NeuFit Method Why early movement diversity builds long-term athletic capacity How End Range Activation (ERA) improves mobility and joint control The importance of relaxation speed and eccentric strength for power How NeuFit technology enhances neuromuscular re-education and resilience Athletic development isn't a sprint, it's a neurological journey. And if you want to help yourself or your athletes reach their full potential, this episode will show you how incorporating neuroscience changes the game.  
The quality of our relationships determines the quality of our life. And, although many of us know how to lead at work, we struggle to bring that same clarity, purpose, and intention into our homes and our most important relationships.  In this episode, men's health and leadership coach Joel Evan shares how the same principles that drive success in business can transform relationships, communication, and connection at home. We cover several topics from Joel's book, Limitless: Forge an Unshakeable Marriage and Deepen Your Bond with Your Kids: How to apply leadership frameworks to marriage and fatherhood The power of extreme ownership in family life Why communication is the cornerstone of trust and intimacy Overcoming limiting beliefs that block authentic connection Building a legacy that lasts through your actions, not just your words Whether you're a husband, father, or simply someone seeking to deepen relationships with more integrity and purpose, this episode will challenge you to show up where it matters most.  
Low back pain is one of the most common – and complex – challenges in healthcare. In this episode, physical therapist Jeff Vitale shares how he applies Dr. Stuart McGill's evidence-based methods to help even the most difficult cases. Part of an elite group personally certified by Dr. McGill, Jeff integrates the McGill Method with other frameworks such as TPI and tools like the Neubie to create breakthrough results for patients who've often tried everything else. In this conversation, we discuss: Jeff's personal story with back pain and surgery as a college athlete The philosophy and principles behind the McGill Method for detailed assessment, which includes redefining "chronic" back pain How detailed assessment identifies pain triggers and guides precise exercise programming Balancing stability and mobility in athletic movements like the golf swing Where the Neubie fits into the rehab and performance equation This is an episode for anyone serious about solving back pain at its source. Whether you're a clinician looking for new tools or someone personally battling low back pain, this episode provides a roadmap with practical solutions.  
Carbon-60 (C-60) is a molecule that won a Nobel Prize in Chemistry for its groundbreaking discovery – and now it's at the center of fascinating research into aging and longevity. In this episode, our guest is Chris Burres and we dig into the story of how a lab material used in industry found its way into the world of health and human performance. In this episode, you'll hear about: The fascinating history of C60 Why oxidative stress is central to aging and disease How C60 may act as a unique antioxidant without blunting exercise benefits Early animal studies describing C60's effects on lifespan, tumors, and inflammation Anecdotal reports in humans on sleep, recovery, inflammation, and HRV The importance of safety, purity, and scientific rigor in supplementation Longevity breakthroughs always come with both promise and skepticism. This conversation brings the science, the story, and the open questions to light, so you can better understand where C60 fits in the longevity landscape.  
In this solo episode, Garrett dives into the powerful lessons that come from contemplating our own mortality. While it's often uncomfortable to think about, facing the reality that our time is limited can be one of the most practical ways to gain clarity about what truly matters – both in life and in business. The conversation includes: Reflecting on our own death as a powerful teacher The importance of having a true core purpose independent of external circumstances Why directing our energy wisely is the most important decision we make each day How "compressing time" exercises can cut through clutter and reveal real priorities This is an invitation to pause, reflect, and reorient. By compressing time and confronting our own finiteness, we discover focus, alignment, and a clearer path toward leading our best lives.  
What if your brain held the keys to living longer and healthier? In this solo episode, I dive into the fascinating intersection of neuroscience and longevity, unpacking how the nervous system shapes resilience, recovery, and the aging process. Drawing on both science and personal experience, I'll explore how practices like meditation, nervous system training, and targeted stimulation can help us unlock more years and better years.  We'll cover: Why the autonomic nervous system is the hidden regulator of health and longevity How neuroplasticity impacts the body and mind The ways foot stimulation impacts the brain to reduce fall risk and extend independence What psychoneuroimmunology teaches us about stress, inflammation, and the immune system's role in aging, or "inflammaging"  Insights from meditation, HRV tracking, and direct experience of rewiring the nervous system for resilience This is more than a discussion about just living longer, it's about living better too. Join me as we uncover how neuroscience provides both the framework and the tools to train your brain and body for vibrant health and longevity.  
In this episode, we explore how neuroscience reveals what truly makes leaders effective – from how they regulate themselves, lead by example, and the various ways they can influence others and shape a team's culture. You'll learn how emotional safety, trust, and meaning aren't just soft skills but are actually brain-based performance drivers. Discover how a leader's role modeling combined with mirror neurons influence your team's mood, energy, and behavior Understand why brains in "threat mode" shut down trust, learning, and creativity and why psychological safety is the #1 predictor of high-performing teams Learn how to move from individual contributor to team multiplier Hear why storytelling activates more of the brain than data – and how to use that as a leader Explore how trust, purpose, and vulnerability unlock team engagement Leadership isn't about control, it's about connection of people with each other and with a sense of shared purpose. And when you lead with safety, clarity, and purpose, you do far more than just manage a team – you multiply its impact.  
What if you could get laboratory-grade movement insights with nothing more than your phone? In this episode, Garrett sits down with Jacob Salim, co-founder of G8way Max, to explore how motion capture and biomechanical analysis are becoming more accessible, precise, and effective than ever. Jacob shares the origin of the platform, how it works, and why personalized programming is the missing link for many people dealing with pain or underperforming bodies. In this episode, you'll learn: How G8way Max captures and analyzes movement with only a smartphone camera, replicating the joint angle and posture measurements of advanced biomechanics laboratories The 8 movement categories the system evaluates to find dysfunction How personalized recommendations increase compliance and real-world results Why poor standing posture is often the source of deeper dysfunction How clinicians and coaches are using this tool in practice today Whether you're a coach, clinician, or someone who just wants to move better and hurt less, this conversation reveals how tech can accelerate progress – and put true biomechanical insight in your pocket.
Most golfers and baseball players chase speed and distance… but ignore the root cause of why they're stuck. In this episode of The Undercurrent, Dr. Jared Bickle breaks down how to assess, treat, and train the rotational athlete with a precise framework that bridges rehab and elite performance. We cover: How the golf swing is more physically demanding than most people realize, and using the TPI (Titleist Performance Institute) framework for assessing and treating the numerous golf injuries that exist Why trail-side low back pain is the most common injury in golfers, and the connection to hip and thoracic mobility  How to use technology like the Neubie and Proteus for faster recovery and bigger performance gains with rotational athletes The hidden "drivers" behind swing mechanics, pain, and performance – and why speed and power do not always translate to a better swing Building speed and power the right way, without sacrificing durability If you treat or train rotational athletes – or if you are one yourself – this episode is for you. You'll walk away with practical insights that shift how you view the body and the ways you can unlock greater performance and longevity.  
What if the fear you're avoiding is actually the key to your growth? In this episode, I sit down with Akshay Nanavati, a Marine Corps veteran, ultra-endurance athlete, and author of Fearvana. We explore how fear, suffering, and stillness can become powerful tools for transformation. Why fear isn't the enemy – it's fuel for mastery The difference between pain, suffering, and unnecessary suffering Lessons from 60 days solo in Antarctica The power of stillness, and what true stillness reveals about ourselves This is a raw and real conversation about what it takes to go to your sacred edge … and to come back with something deeper than success: peace and true fulfillment.  
In this episode, Dr. Scott Sherr – Board-Certified Internal Medicine physician and leading voice in Hyperbaric Oxygen Therapy (HBOT) – joins us to explore how oxygen under pressure can radically shift outcomes in recovery, rehab, and performance. We break down how HBOT complements neuromuscular reeducation tools like the Neubie, especially for patients with neurological conditions, chronic pain, or mitochondrial dysfunction, plus additional benefits for athletic recovery and performance. If you're looking for cutting-edge strategies to enhance neuroplasticity, energy production, and functional recovery, this conversation is a must-listen. We cover: - The science of HBOT and its epigenetic, anti-inflammatory, and vascular effects - How HBOT and Neubie together can accelerate outcomes in MS, stroke, TBI, and CRPS - Why timing and metabolic readiness matter before using HBOT, and how not addressing these can have negative consequences - The role of methylene blue and other mitochondrial enhancers - Performance, brain function, and recovery for athletes and high-performers - Health Optimization Medicine as a proactive model for cellular health - Real case insights from both HBOT and Neubie applications Dr. Sherr brings a systems-level view that bridges conventional medicine with future-forward technology, and it's a powerful complement to the NeuFit Method. 
Marketing shouldn't feel like a guessing game. Neil Trickett, PT, has helped over 1,000 clinics grow, and in this episode he breaks down exactly what separates top-performing practices from the rest. Whether you're trying to drive more new patients, improve retention, or build a referral engine, this episode gives you the roadmap. In this conversation, we cover: The 3 pillars of marketing success for PT practices How to optimize your Google presence using SEO and AEO The underrated power of direct mail in a digital world Proven strategies for patient referrals and reactivations Budgeting for marketing—and knowing your true cost per new patient If you want actionable insights from someone who's seen what actually works at scale, this is the episode for you. Pick one strategy, implement it, and start building real momentum in your practice.
103: When the Music Stops: A Lost Voice, A New Identity, and Healing From Long COVID In this deeply personal episode, Greta Morgan, former member of the band Vampire Weekend and author of The Lost Voice, shares the journey of losing her voice due to Long COVID and finding a new sense of self. From a thriving career on stage to a battle with spasmodic dysphonia, Greta reflects on the emotional, physical, and spiritual challenges that reshaped her life. Through perseverance, therapy, and a deep connection with nature, she's rediscovered not just her voice, but her identity and purpose. Discover Greta's early successes as a musician, from starting her first band, The Hush Sound, to joining international headliners Vampire Weekend Hear the emotional toll of losing her voice and the identity crisis it sparked Learn how Greta's healing journey through Long COVID has reshaped her life Explore the various methods and therapies that helped her regain strength Understand the profound connection between identity, voice, and self-discovery Greta's story is a testament to the power of resilience and healing, and how embracing vulnerability can lead to profound transformation. Tune in to hear how she's redefined herself, both as an artist and as a person.  
If you work with clients who have pain, movement issues, or developmental challenges, this episode will shift how you think about the brain's role in all of it. Robert Melillo, Ph.D., is the founder of the Brain Balance Centers and Melillo Method and has decades of experience helping kids and adults with ADHD, autism, dyslexia, and anxiety overcome challenges thought to be permanent. He joins us to talk about functional neurology, primitive reflexes, and the deep patterns that shape human performance, behavior, and healing. We discuss: What retained primitive reflexes tell us about brain development Why many chronic issues are rooted in brain asymmetries, not injuries How interoception and proprioception affect movement, speech, and emotion Tests Dr. Melillo uses to assess brain function and nervous system maturity  The surprising overlaps between autism, athletic potential, and chronic pain Functional imbalances in the brain aren't permanent—and they're more common than most realize. Whether you're working with kids, athletes, or adults in pain, this episode will equip you to see root causes more clearly and give you new tools and hope.  
After years of frustrating injuries and failed rehab, George James didn't just walk away from rugby – he walked into a calling. In this episode, he shares his journey from elite athlete to pioneering physiotherapist, his decision to bring the Neubie to the UK, and what it really means to treat the nervous system. We cover:  George's years of failures as an athlete going through traditional rehab, and how it led him to question everything The lessons that inspired George to use a neurological framework, and how the NEUBIE plugged into that framework and became an accelerator His philosophy on why everyone should be treated like an athlete, including MS and ALS patients How he's built a thriving cash-based practice in a country with free healthcare Inspiring stories of patients reclaiming lost function, including one who regained movement that had been gone for 10 years … in the first five minutes of her treatment How he uses self-care to stay sharp, present, and energized for his clients George isn't just delivering a different treatment, he's rewriting the standard. And if you've ever felt let down by using the "standard approach" with yourself or your patients,  this conversation will hit home.  
Before we can lead teams, patients, or communities, we have to be able to lead ourselves. That's the theme of Part 3 in our 100th episode celebration: the inner game of performance. In this episode, we explore how our mindset influences not just how we feel, but how we lead, make decisions, and grow. What you'll hear in this episode: Adam Laraway on staying aligned with your values and adopting a growth mindset while launching a successful practice. Dr. Cindra Kamphoff on mental toughness, tactics for reframing thoughts, and the psychology of "grit." Aaron Alexander on how bodily movement shapes mood, confidence, and clarity. Wesley Kress on how meditation can rewire your nervous system for peace and performance. Dr. Shauna Shapiro on harnessing the power of neuroplasticity to "rewire our minds." Whether you're a clinician, business owner, athlete, or just striving to be a high-performing human, this episode reminds you that how you show up internally shapes everything you create externally. And there are actionable tactics and tools here that I encourage you to explore on that journey to becoming your best you.  
Running a clinic is about more than just great patient care—it's about building a business that's profitable, sustainable, and perhaps even scalable. In Episode 100 Part 2, we're diving into the biggest business lessons from our first 100 episodes, featuring expert insights on branding and marketing, sales, and how to effectively build and lead a team. These are key takeaways that can transform your practice: Angie McGilvrey – Why PT should be positioned as a primary care profession and how branding & social media help drive that message. Jason Waz – The sales messaging for clinics, including how to craft a clear & compelling message that turns patients into lifelong advocates. Mark DeAnda – How to sell cash services effectively, create emotional connections, and transition to a hybrid insurance + cash model. Brian Gallagher – Why hiring and leadership is the #1 challenge in growing a business and how to create a thriving team culture. Greg Todd– The skills they don't teach in PT school about business, marketing, and how to drive patient referrals. Jamey Schrier – The psychology of pricing & perceived value, including why patients will pay more for premium services when positioned correctly. If you're a clinic owner, PT, chiropractor, or entrepreneur, this episode is packed with real-world strategies to help you scale your business and maximize your impact.
100 episodes in, and we're just getting started. Over the years, we've covered groundbreaking insights into neuroplasticity, biomechanics, recovery, and human performance. For Episode 100, I'm bringing together some of the most powerful clinical breakthroughs we've learned—straight from the experts who are using these strategies every day. Neuroplasticity & Regenerative Medicine – How Michele Harris, PT, combines Neubie with stem cells & exosomes for a holistic approach to both the "hardware" and "software."   Brain-Driven Assessment – Dr. John Marchese on why the nervous system is paramount to movement, performance, and preventing injury. Resolving Chronic Pain – Logan Cooper, PT on how he approaches headaches, jaw pain, and stubborn movement issues.   Manual Therapy + Neubie – Lisa Chase, PT, explains how Neubie reintegrates movement patterns after manual therapy.   Transforming Lives in Rural Healthcare – Jacqui Broering, PT, shares an emotional case of using Neubie for a rare neuro condition.   Chiropractic Meets Neuromuscular Training – Dr. Alex Lee blends passive assessments with active neuromuscular interventions. Hypertrophy & Strength for Elite Athletes – Brad Rowe on training legends like Dexter Jackson and the power of activation. These insights aren't just theories—they're changing the way clinicians, athletes, and everyday people approach rehab and performance.  
In this episode, we dive into a groundbreaking neuropathy study that's redefining treatment options for patients suffering from nerve damage. With special guests Joe McGilvrey (Apex PT) and Ramona von Leden (NeuFit VP of Research), we explore the power of direct current (DC) stimulation and how it's achieving results that no other treatment has before. Specific discussion topics include: Neuropathy affects millions, yet standard treatments only manage symptoms. A recent study in the Journal of Diabetes Research demonstrates that the Neubie's direct current stimulation can actually improve nerve function–and is superior to TENS. Describing and understanding the objective measures used in this study, like EMG and nerve conduction velocity.  How this research paves the way for new protocols in neuropathy, radiculopathy, and nerve regeneration. Could this be the new gold standard for neuropathy treatment? Tune in to hear the science, real patient stories, and what this means for the future of rehab and recovery.  
Did you know that chronic stress is at the root of most modern diseases? From heart disease to diabetes, poorly managed stress can wreak havoc on your body. Fortunately, in this episode Dr. Torkil Færø teaches us how to measure stress in real-time and make adjustments to stay in peak condition. That's exactly what HRV tracking allows you to do. We discuss: Dr. Fær�'s bestselling book, "The Pulse Cure" The difference between functional and dysfunctional medicine Why wearables like Whoop, Garmin, and Oura are like having a "doctor on your wrist" that can help you make immediate changes (rather than having to wait for your next blood test) How alcohol and food sensitivities affect your HRV, health, and resilience The best lifestyle habits to improve HRV and longevity We break down the science of resilience in a way that's easy to apply. Whether you're treating patients, an athlete, or someone who just wants to feel and perform better—this episode is a must-listen!
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