Category

Strength & Muscle Mass

My framework for exercise is built upon four pillars: stability, strength, aerobic efficiency, and anaerobic performance. Strength may be the most intimidating of the four, especially for people who aren’t accustomed to strength training.

In its simplest form, strength means utilizing muscle to generate force. And if you are interested in living a long and healthy life and playing with your great-grandkids someday, then muscle mass should be a priority. Never in the history of human civilization has a 90-year-old said, “I wish I had less muscle.”

Below are a compilation of clips, podcasts, and articles specifically discussing the longevity benefits from greater muscle mass and strength, as well as tactics for preserving muscle mass.

#179 – Jeremy Loenneke, Ph.D.: The science of blood flow restriction—benefits, uses, and what it teaches us about the relationship between muscle size and strength

“The real utility of using blood flow restriction is the fact that you can use it with very low loads…we’ve tried to combine it with high loads and in different aspects, and other people have run training studies with it, but it’s not additive; it doesn’t add anything more to high-low training” – Jeremy Loekenne

#176 – AMA #27: The importance of muscle mass, strength, and cardiorespiratory fitness for longevity

“If you have the aspiration of kicking ass when you’re 85, you can’t afford to be average when you’re 50.” —Peter Attia

#163 – Layne Norton, Ph.D.: Building muscle, losing fat, and the importance of resistance training

“I always tell people, I don’t think I would’ve had the success I did in business or social media or academia if I hadn’t done weightlifting because that taught me so much about other things in life.” —Layne Norton

#151 – Alex Hutchinson, Ph.D.: Translating the science of endurance and extreme human performance

“Any meaningful form of exercise that’s going to do substantial amounts of good is going to involve dealing with discomfort in one form or another.” —Alex Hutchinson

#136 – AMA #17: Body composition methods tour de force, insulin resistance, and Topo Chico

“Skeletal muscles are the greatest reservoir that you have for glucose disposal.” —Peter Attia

#116 – AMA with Dom D’Agostino, Ph.D., Part I of II: Ketogenic diet, exogenous ketones, and exercise

“If you restore insulin sensitivity, you’re better able to access and burn fat.” — Dom D’Agostino

#92 – AMA #12: Strategies for longevity (which don’t require a doctor)

“If you are interested in longevity, if you are interested in playing with your great grandkids, you want to prioritize muscle mass. Never in the history of civilization has a 90 year old said, ‘I wish I had less muscle.’” —Peter Attia

#84 – AMA #10: Low testosterone, hypothyroidism, building muscle (and preserving it while fasting)

“Milk is for babies. When you grow up you have to drink beer.” —Arnold Schwarzenegger

Can you maintain muscle during fasting?

But in the short-term (at least up to a week for most people), I believe you can maintain muscle mass while fasting, particularly if you’re resistance training.

Can you preserve lean body mass during “semi-starvation?”

All of this is very interesting, but what I find much more interesting in this study is that the placebo group did not lose any substantive LBM, while losing about the same amount of fat (10 lb) as the testosterone group, despite the severe CR/energy-deficit.

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