Research Hub - Presented by Matrix

What does modern coaching really look like?Steve Barrett sits down with Professor Ian Jeffreys, President of the NSCA, to explore the evolving role of strength and conditioning, the balance between science and coaching experience, and why performance can’t be defined by metrics alone.

In this Dutch-language episode of the Research Hub Podcast, Brice van der Elzen sits down with Olympic Strength & Conditioning coach Jorden Bres to explore what high-performance sport can teach coaches, trainers, and gym operators.With experience preparing athletes for five Olympic Games across sports like judo, gymnastics, and speed skating, Jorden shares practical insights that apply far beyond elite sport. From programming fundamentals and equipment choices to coaching mindset and long-term member retention, this conversation focuses on what truly drives results — at any level.

Dr. Karlie Intlekofer is joined by Eric Helms, PhD, CSCS, AccredSpNut, to unpack how coaches can better personalize strength training and help clients train at the right level of effort.Dr. Helms is a sport science and nutrition researcher, science communicator and coach. He is co-director of the Sports Research Institute New Zealand at Auckland University of Technology and co-founder of MASS Research Review. He also coaches competitive and recreational drug free strength and physique athletes through Team 3D Muscle Journey. As an athlete, he is a WNBF pro natural bodybuilder and competes in strength sports.

Strength training works best when progression and coaching go hand in hand.Dr. Karlie Intlekofer is joined by Antonio Squillante, Ph.D, Assistant Professor of Kinesiology at PLNU and member of the NSCA Board of Directors, to break down how muscles adapt to training over time.The conversation covers strength, muscle growth and eccentric training, along with why presence on the gym floor matters more than programs alone. Antonio shares practical insight on personalization, goal setting and guiding better results through real-time adjustment.This episode is built for coaches, trainers and fitness operators looking to bring more clarity and consistency to their approach.

Indoor cycling has taken a hit since COVID, but it is far from done. In this episode of the Research Hub podcast, Becky Jalbert takes a clear look at where indoor cycling stands today and where it is heading next.They cover participation trends, instructor shortages and how clubs are adjusting their cycling programs to meet changing member needs. The conversation looks at why cycling still matters, how experience drives engagement and what operators can do to get more value from their studios without overspending.From premium experiences to mid market pressure, this episode gives operators real insight into how to keep indoor cycling relevant, inclusive and worth the space it takes up.

Listen to Becky Jalbert break down key fitness trends and member expectations through a practical lens. They cover functional training, wearables and recovery, along with how these areas influence programming and engagement across the industry. Becky shares clear insight from her product and coaching background. They also outline what different member groups expect and how teams can adapt to meet those needs.

Zone 2 training is one of the most promoted approaches on social media. It is presented as the best way to improve endurance, burn fat and support mitochondrial health. This episode examines what the research actually shows. Dr. Karlie Intlekofer will be joined by Dr. Brendon Gurd and Kristi Storoschuk from Queen’s University to share evidence on exercise intensity, highlight where Zone 2 is effective and explain where other approaches deliver greater benefits.

Sprint training done right can trigger powerful, lasting change and Sprint 8 proves it. Steve Barrett, Global Director of Fitness Programming at Matrix Fitness, teams up with Douglas Lawson, Facility Operator at Lawson Street Gym, to unpack the concept of sprint intensity, particularly focusing on the Sprint 8 methodology. They discuss the differences between sprint intensity and traditional HIIT, the science behind the physiological benefits of sprint training, and the transformative effects it can have on individuals. The conversation highlights real-life success stories, the importance of group dynamics in training, and how sprint intensity can be effectively combined with strength training for optimal results.

Dr. Karlie Intlekofer and Dr. Nina Crowley discuss the evolving landscape of fitness and health, emphasizing the importance of personalized communication between fitness professionals and their clients. They explore misconceptions surrounding body composition, the significance of functional health over aesthetic goals, and the role of technology in tracking progress. The discussion highlights the need for fitness facilities to adapt their messaging and practices to better support members in achieving their health goals, ultimately fostering a more inclusive and empowering fitness environment.

Listen to Dr. Karlie Intlekofer and Dr. Nina Crowley as they discuss the critical communication gap between fitness professionals and their members. They explore the importance of behavior change, creating inclusive environments, and the need for a member-centered approach in fitness. Dr. Crowley shares her journey in nutrition and psychology, emphasizing the significance of understanding individual experiences and biases in fitness settings. The conversation highlights the necessity of personalization in fitness goals and the impact of weight bias on member experiences, ultimately advocating for a more empathetic and supportive fitness culture.

Stay tuned to learn how Matrix Master Trainers Chad Yarvitz and Rick Muhr examine the lasting impact of group training through the lens of connection, trust and community.Drawing from decades of leadership in coaching and club operations, they reflect on how group training environments foster resilience, personal growth, and deep member engagement. Their conversation explores the value of shared effort, the evolving role of technology, and why authenticity and care remain foundational to effective programming.More than a discussion on fitness, this episode underscores how group training elevates the experience, transforming clubs into communities.

In this very first episode of the Research Hub series, Dr. Karlie Intlekofer engages with Matt Lesperance, a gold medalist in wheelchair basketball, to discuss the importance of inclusivity in fitness. They explore the evolution of adaptive fitness, the barriers faced by adaptive athletes in traditional gyms, and the need for better training and knowledge among fitness professionals. The conversation highlights the significance of adaptive equipment, creative workout strategies, and the overall culture of fitness facilities in making them accessible for everyone. Matt shares his personal journey and insights on how to foster a more inclusive environment in the fitness industry.