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Perform with Dr. Andy Galpin

Identify & Fix Muscle Imbalances & Injury Risks

Mittwoch, 24. Juni 2026 · 1 h 40

MP3

Shownotes

In this episode, I tackle muscle asymmetries and imbalances — when the differences between your two sides help you, when they hurt you, and what to actually do about them. I move past the popular "10% rule" and walk through my three I's framework: how to investigate asymmetries across morphology (muscle size and shape), quality (fat infiltration inside the muscle), and functionality (strength, power, and movement); how to interpret the data using context rather than blanket numbers; and how to intervene with a practical five-step correction program built around unilateral training and plyometrics. I cover testing tools from tape measures to MRI, the research on grip-strength asymmetry and aging, and why lower-body asymmetries warrant more attention than upper-body ones. This is for athletes, coaches, and anyone who moves and wants to reduce injury risk or perform at their best.

Sponsors

Momentous: livemomentous.com/perform

LMNT: drinklmnt.com/perform

David: davidprotein.com/perform

Timestamps

() Introduction

() The Three Types: Morphology, Quality, Function

() Laterality: Skill vs. Force Dominance

() Why Asymmetries Develop

() The Bilateral Force Deficit

() Investigate: How to Measure Asymmetries

() Morphology: Tape Measures to MRI

() Tissue Quality & Fat Infiltration

() Functionality: The Unlimited Field of Tests

() Interpret: When Do Asymmetries Matter?

() Muscle Size: Is the Asymmetry Even Real?

() Push vs. Pull & the Limb-Length Myth

() Movement Screens & the FMS

() Strength, Power & Injury Risk

() Grip Strength Asymmetry & Aging

() Symmetrical Sports & the Energy Leak

() Red, Yellow, Green: The Real Thresholds

() Intervene: Correcting Asymmetries

() Why Plyometrics Work Best

() The Five-Step Correction Program

() The Volume Game

() Resources & Final Takeaways

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