Mark Sisson, widely regarded as the forefather of the Primal/Paleo lifestyle movement, is an innovator and trendsetter in the health and fitness world. He has written several best-selling books and a number-one-ranked blog promoting ancestral living.

Mark founded Primal Kitchen foods to introduce healthful options for condiments and sauces to the marketplace for the first time. The brand grew quickly, was acquired by the Kraft-Heinz corporation in 2018, and today is a dominant player in the "better for you" food revolution.

As a lifelong athlete and former elite level marathoner and ironman triathlete, Mark has long been obsessed with optimizing foot functionality and minimizing the chronic pain, injury, and dysfunction caused by traditional athletic and active lifestyle footwear.

Mark was one of the earliest proponents of barefoot-inspired living and the minimalist shoe movement. Alas, despite owning dozens of pairs of minimalist shoes, his frustration grew at the industry’s inability to produce a functional, comfortable, good-looking minimalist shoe…

Work With Us: Arétē by RAPID Health Optimization

Links:

Peluva Shoe Company

Mark Sisson on Instagram

Anders Varner on Instagram

Doug Larson on Instagram

Coach Travis Mash on Instagram

Founder, Altitude Performance & Measured Motion

Former two‑sport collegiate athlete turned board‑certified orthopedic specialist, Dr. Goldstein blends lab‑grade muscle science with hands‑on care.

After earning his DPT from the University of Colorado and completing both an orthopedic residency and fellowship, he launched Altitude Performance, a concierge practice devoted to sport‑specific rehab and performance optimization.

His newest venture, Measured Motion, pushes the field forward by studying muscle architecture, pennation angles, fascicle length, and refining intramuscular dry‑needling techniques.

As Senior Advisor for Performance & Development at Springbok Analytics, Doug converts 3‑D muscle‑health data into actionable plans for clients across all ages and abilities.

He also shapes the next generation of clinicians as affiliate faculty at the University of Colorado School of Medicine’s PT program and mentor to orthopedic fellows.

Trusted by athletes across the PGA, LPGA, USWNT, NBA, NFL, NHL, MLS, and MLB, Doug turns research into real‑world results.

Work With Us: Arétē by RAPID Health Optimization

Links:

Doug Goldstein on Instagram

Anders Varner on Instagram

Doug Larson on Instagram

Coach Travis Mash on Instagram

In this Episode of Barbell Shrugged:

1. What is inflammation why does your body have it
2. How inflammation can improve performance
3. The difference between Good and Bad inflammation
4. Proper ways to reduce inflammation
5. What is Chronic vs. Acute Inflammation

Work with RAPID Health Optimization

Connect with our guests:

Anders Varner on Instagram

Doug Larson on Instagram

Coach Travis Mash on Instagram

Dan Garner on Instagram