Muscle Doctor Reveals: Why Building Muscle Matters More Than Losing Fat

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👉 https://proofpractice.substack.com/Dr. Gabrielle Lyon, Dr. Abbie Smith-Ryan, Gabby Reece, and Amber Taylor to make the case that muscle is the most powerful lever women have for metabolic health and longevity. They cover the coming sarcopenia epidemic, why intramuscular fat may matter more than body fat percentage, how to train and eat for real muscle gain, and why most women are under-muscled without knowing it.

WHAT WE EXPLORE

* Muscle as the medical anchor: heart disease, PCOS, fertility, and sexual function

* The sarcopenia epidemic and the role of GLP-1s, sedentary behavior, and low-protein diets

* Muscle quality vs. muscle mass: why intramuscular fat may matter than body fat percentage

* “Skinny fat” risk: why lean women can still have critically low muscle

* Compound movement basics: frequency, load, and whole-body training structure

* Protein targets: the 100g minimum, 1.6g/kg baseline, and meal timing

* Why the 30/30/30 protein model may be leaving women under-fueled

* Blood flow restriction: building muscle and staying active through injury

* New perimenopause research: meaningful muscle gain in just 6 weeks