The Science of the Golf Swing: Center of Mass, Fascia & Speed with Davide Bertoli

The Science of the Golf Swing: Center of Mass, Fascia & Speed with Davide Bertoli

June 3, 2026 · 50 min · Season 11 · Episode 858

About this episode

Mark Immelman interviews David Bertoli about the science behind the golf swing and its 3D dynamics.

In this episode of On The Mark, host Mark Immelman is joined by David Bertoli (aka “Davide”) for a deep, visual-first breakdown of how the golf swing actually works in 3D—not as frozen “positions,” but as moving phases driven by what the body is doing internally. David shares how his team built a 3D system that reveals the skeleton, muscles, and fascia in motion—so golfers and coaches can stop chasing a Rory/McIlroy “look” and start optimizing their movement pattern. A major focus is David’s framework: the Six Phases of the Golf Swing , built around Center of Mass (COM) movement + Anatomy Trains / fascia chains. They explore why the pelvis is the engine, how COM moves (horizontally and vertically), why maximum unweighting matters for speed, and how “carefree” phase-based movement beats “careful” position-chasing every time. In This Episode, You’ll Learn : ✅ Why 3D changes everything: stop studying the club “outside,” start understanding the body “inside” ✅ The difference between positions vs phases (and why a golf swing is a “moving sculpture”) ✅ What Center of Mass actually is, where it sits, and why the pelvis is so tied to it ✅ How COM moves in an “almost infinity-sign”…

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