Lionel University: The Training Room Podcast

The Training Room Episode 7 - HIIT Session - What Is Progressive Overload, Really

In this first HIIT (High Impact Insights for Trainers) session from The Training Room, hosts dive into one of the most essential principles in exercise science: progressive overload. What does it really mean—and why is it so often misunderstood? Join the conversation as they break down how true progress isn’t just about adding more weight, but about consistently increasing the right type of challenge to drive results. From reps and tempo to range of motion and recovery, this episode explores the many ways trainers can apply progressive overload with intention. Whether you're a seasoned coach or just getting started, this quick-hit episode reinforces why mastering the basics is key to long-term success in fitness.

The Training Room Episode 6 - Most People Get Nutrition Wrong—Here’s What Actually Matters (Dr. Nick Barringer)

Most people are overcomplicating nutrition—and it’s holding them back. In this episode of The Training Room, we sit down with Dr. Nick Barringer, Chief Academic Officer at Lionel University and a former military dietitian with 20+ years of experience, to break down what actually matters when it comes to performance nutrition. From fueling elite soldiers and athletes to working with everyday clients, Dr. Barringer shares practical, evidence-based strategies you can apply immediately—without the confusion.

The Training Room Episode 5 - Guest Appearance CEO Josh Lehman

Are you building a career in fitness—or just working a job? In this episode of The Training Room, we sit down with Josh Lehman, CEO of Lionel University, to break down the evolution of the fitness industry and what it really takes to succeed long-term. From his early days lifting weights as a kid to leading one of the fastest-growing exercise science universities, Josh shares powerful insights on: 🔥 Why most personal trainers struggle to build lasting careers 📈 How the fitness industry is rapidly evolving 🧠 The new skills every coach needs to stay relevant ⚠️ The biggest threats facing the profession today 🎓 Why education is becoming the foundation of success in fitness If you’re a personal trainer, coach, or someone looking to enter the industry—this conversation will change how you think about your future.

The Training Room Episode 4 - Guest appearance from the Chancellor Martin Rooney

What does it really mean to be a great coach? In this episode of The Training Room, John Bauer and Dr. Erin Nitschke are joined by Lionel University Chancellor Martin Rooney—coach, founder of Training for Warriors, and fitness industry leader with more than 30 years of experience. Martin shares his journey from physical therapy to performance coaching, working with everyone from UFC champions and Olympic athletes to everyday clients. Along the way, he breaks down what separates good coaches from great ones: expertise, empathy, leadership, communication, and service. This conversation explores why exercise science is the foundation of a strong fitness career, why leadership starts with leading by example, and why true coaching is about helping people get where they want to go—often in ways they couldn’t achieve alone. If you’re a trainer, coach, student, or fitness professional, this episode is packed with insight on building a meaningful career and making a lasting impact.

The Training Room Episode 3 - Health and Fitness Trends We're Watching

In this training session, John and Erin step back to examine the biggest health and fitness trends shaping the industry today. From emerging technologies to shifts in training philosophy and wellness culture, they discuss what’s promising, what’s concerning, and what professionals should be paying attention to. Instead of reacting to headlines or hype, this training session explores how thoughtful fitness professionals can filter trends through experience, ethics, and long-term standards. Trends may come and go. Professional judgment should not.