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Andrew HubermanApril 28, 2026
Dr. Andy Galpin: How to Assess & Improve All Aspects of Your Fitness | Huberman Lab Guest Series
2:01:17
AH

Dr. Andy Galpin: How to Assess & Improve All Aspects of Your Fitness | Huberman Lab Guest Series

FFMI: The Muscle Mass Metric — Andrew Huberman

From Dr. Andy Galpin: How to Assess & Improve All Aspects of Your Fitness | Huberman Lab Guest Series. Category: Lifestyle. Format: Interview. This is a single keypoint from the analysis.

The Fat-Free Mass Index (FFMI) is a crucial metric for assessing muscle mass, with targets of 20+ for men and 18+ for women, assuming a healthy body fat percentage. Scores below 17 for men and 15 for women indicate severe physiological detriment due to insufficient muscle.

Impact: High. Understanding FFMI provides a quantifiable target for muscle development, highlighting the risks associated with low muscle mass and guiding individuals on their physique goals.

In the source video, this keypoint occurs from 01:28:18 to 01:31:04.

Sources in support: Andy Galpin (Guest, Professor of Kinesiology)

For the full credibility analysis, key takeaways, and other keypoints from this video, see the full analysis on skim.

This keypoint analysis was generated by skim (skim.plus), an AI-powered content analysis platform by Credible AI.