Pain-Free Performance with Dr. John Rusin, Doug Larson Travis Mash & Dr. Mike Lane #831
Release Date: 01/16/2026
860 - Live More, Hurt Less w/ Dr. Sean Pastuch
Barbell Shrugged
Dr. Sean Pastuch sits down with Doug Larson, Coach Travis Mash, and Dr. Mike Lane to talk about what he’s learned the hard way about chronic pain, discipline and how to get back to training pain free. Pulling from his new book *Live More, Hurt Less*, Sean breaks down why so many lifters end up organizing their entire life around avoiding pain, and how that strategy inevitably makes training less fun than it used to be. He shares his own story of dealing with seven years of debilitating neck pain, and how nothing changed until he finally had a compelling reason to change it. That meant hiring...
info_outline
859 - Blood Flow Restriction with Dr. Michael MacPherson
Barbell Shrugged
In this episode of Barbell Shrugged, blood flow restriction specialist Dr. Michael MacPherson joins Doug Larson, Coach Travis Mash, and Dr. Mike Lane to break down how BFR training can be used for far more than post-injury rehabilitation. Michael explains how strategically restricting blood flow creates a hypoxic environment that increases type II muscle fiber recruitment, metabolic stress, and cellular swelling—even when training with relatively light loads. The result is a powerful tool for building or maintaining strength and muscle while reducing the mechanical stress placed on joints...
info_outline
858 - Training Police Officers
Barbell Shrugged
In this episode, Doug Larson joins Coach Travis Mash and Dr. Mike Lane to break down what it takes to build a scalable strength and conditioning program for police officers. Mash shares his new partnership with the Winston-Salem Police Department, beginning with a six-week, 15-person pilot designed to refine onboarding, testing, training, and ongoing monitoring before expanding to roughly 600 officers and support staff. The team explains why tactical fitness must be built around a job-task analysis: officers may spend hours sitting in a patrol vehicle, then suddenly need to sprint, grapple,...
info_outline
857 - The Protein Blueprint
Barbell Shrugged
In this episode, Doug Larson, Coach Travis Mash, and Dr. Mike Lane break down everything athletes need to know about protein: what it does, how much you actually need, and how to make it work in the real world. They dismantle the myth that the body can only use 30–35 grams per meal, explain why protein needs should scale with lean body mass and training goals, and show how distributing protein across three or four meals can support muscle growth, recovery, and performance without obsessing over a narrow post-workout window. The conversation then compares animal and plant proteins, whole...
info_outline
Metabolic Adaptation w/ Dr. Eric Trexler, Doug Larson, Coach Travis Mash and Dr. Mike Lane #856
Barbell Shrugged
Dr. Eric Trexler returns to Barbell Shrugged to break down one of the most misunderstood subjects in fitness: how the body adapts to dieting, exercise, and energy restriction. Eric, a Duke University researcher with a PhD in Human Movement Science, joins Doug Larson, Dr. Mike Lane, and Coach Travis Mash to explain the constrained energy expenditure model, why cardio does not always produce the linear calorie burn people expect, and why the context of your diet matters. They cover metabolic adaptation, under-fueling in endurance and weight-class athletes, and why the body creates more friction...
info_outline
Nutrition For Jiu-Jitsu w/ Alex Maclin, Doug Larson, Coach Travis Mash and Dr. Mike Lane #855
Barbell Shrugged
In this episode, OG Barbell Shrugged crew member Alex Maclin joins Doug Larson, Coach Travis Mash, and Dr. Mike Lane to talk nutrition for jiu-jitsu, combat sports, and high-performance training. Alex shares his evolution from overweight beginner to Olympic weightlifter, nutrition coach, and four-stripe brown belt, explaining how his personal nutrition shifted from fat loss to strength, aesthetics, and now athletic performance and recovery. The crew breaks down practical fueling strategies for grapplers, including why total calories come first, why carbohydrates are king for high-intensity...
info_outline
Training For Aesthetics w/Doug Larson, Coach Travis Mash and Dr. Mike Lane #854
Barbell Shrugged
In this episode, Doug Larson, Dr. Mike Lane, and Coach Travis Mash break down the real-world science of training for aesthetics: getting leaner, building muscle, and looking better without losing sight of performance, health, and longevity. Mike opens with a wild DEXA scan story about breast implants and body composition testing, explaining how implants can skew lean mass and bone density numbers. The takeaway is simple: body composition tools are useful, but only when you understand what they are actually measuring. The crew then moves into the big rocks of physique change: nutrition,...
info_outline
Scientific Research and CrossFit Workouts w/ Dr. Gerald Mangine, Doug Larson, Coach Travis Mash and Dr. Mike Lane #853
Barbell Shrugged
For years, one of the biggest criticisms of CrossFit has been that, Given every workout is different, it’s difficult to measure and track training stress in a meaningful way. Dr. Jerry Mangine joins Doug Larson, Travis Mash, and Mike Lane to discuss a decade of research aimed at solving that problem. Jerry breaks down how his team analyzed every CrossFit Open workout ever performed, developed equations to quantify workload across different movements, and created a system for classifying workouts based on total work performed and the rate at which athletes complete it. The conversation...
info_outline
Peptides w/ Dr. Kyle Gillett, Doug Larson, Coach Travis Mash and Dr. Mike Lane #852
Barbell Shrugged
Peptides have exploded in popularity over the last few years, but separating legitimate science from marketing hype has become increasingly difficult. In this episode, Dr. Kyle Gillett joins Doug Larson, Dr. Mike Lane, and Coach Travis Mash for a deep dive into the world of peptides, growth hormone secretagogues, GLP-1 medications, and emerging therapies that may shape the future of performance, recovery, body composition, and longevity. They unpack what peptides actually are, which compounds have meaningful clinical research behind them, and where caution is still warranted, especially when...
info_outline
Training Tactical Athletes w/ Doug Larson, Coach Travis Mash and Dr. Mike Lane #851
Barbell Shrugged
In this episode, Doug Larson, Dr. Mike Lane, and Coach Travis Mash break down what it actually means to train tactical athletes such as police officers, firefighters, military personnel, SWAT teams, cadets, and first responders who may be called into high-stress physical situations at any time. The conversation starts with the Enhanced Games and the reality of performance-enhancing drugs in sport, then quickly shifts into the tactical world, where “second place” can mean getting hurt, losing control of a situation, or not making it home. Mike explains why the first step is always a...
info_outlineIn this episode of Barbell Shrugged, Doug Larson is joined by longtime co-host Travis Mash and new co-host Michael Lane as they welcome back John Rusin for his first appearance on the show in five years. The conversation opens with a candid transition moment for the podcast, acknowledging Anders Varner’s departure and setting the stage for a new chapter of Barbell Shrugged. From there, the crew dives straight into Rusin’s background in sports performance, physical therapy, and global coaching, including his work with elite athletes, Olympic committees, and thousands of coaches through his Pain-Free Performance system.
The heart of the episode centers on biomechanics, individual anatomy, and why “one-size-fits-all” coaching models fail athletes over the long term. Rusin breaks down how differences in femur length, hip structure, and torso proportions radically change how people should squat, hinge, and load movements. The group explores why goblet squats are one of the most universally joint-friendly tools, how assessment should guide exercise selection, and why chasing perfect technique without context often leads to chronic pain. The discussion also highlights the importance of strategic variability, offseason training, and removing aggravating patterns rather than blindly pushing through discomfort.
The episode closes with a deep look at Rusin’s new book Pain-Free Performance, a multi-year project born out of burnout, injury, and a desire to preserve his system in a lasting format. Rusin explains who the book is for, coaches, athletes, and everyday people alike, and why long-term health, movement quality, and consistency ultimately drive performance and longevity. From youth sports specialization to elite training volume and survivorship bias, this episode delivers a grounded, experience-driven perspective on how to train hard, stay healthy, and perform at a high level for decades, not just a season.
Links:
Pain-Free Performance: Move Better, Train Smarter, and Build an Unbreakable Body
Dr. John Rusin Website
Dr. John Rusin on Instagram
Doug Larson on Instagram
Coach Travis Mash on Instagram