How Muscle Shapes Who We Are: Bonnie Tsui on Strength, Resilience, and Her Newest Book On Muscle

The Ready State Podcast

Kelly Starrett & Juliet Starrett

Fitness, Health & Fitness

4.9 • 623 Ratings

🗓️ 27 November 2025

⏱️ 54 minutes

🔗️ Recording | iTunes | RSS

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Summary

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What if strength isn’t just physical, but emotional and cultural too?

Award-winning journalist Bonnie Tsui, author of Why We Swim and On Muscle, explores how our muscles tell the story of who we are — our adaptability, creativity, and joy in motion.

On this episode of The Ready State Podcast, Juliet and Kelly Starrett sit down with Bonnie to unpack how muscle links the brain and body and reshapes how we think about strength, beauty, and being alive.

What You’ll Learn in This Episode

Why muscle is more than physical strength — it’s an endocrine organ that communicates with the brain.
How Bonnie’s unconventional childhood shaped her lifelong fascination with the body.
The cultural myths that still shape how we view women’s bodies and power.
Why play and access to movement are essential across every stage of life.
How muscle’s adaptability makes it a symbol of hope and renewal.
The one simple practice Bonnie recommends for everyone: “Lift something heavy for you”

Key Highlights:

(00:00) - Intro

(01:25) - Importance of Muscle

(03:52) - Parental Influence on Fitness

(07:56) - Debunking Muscle Myths

(12:35) - Understanding Muscle Physiology

(15:52) - Surprising Facts About Muscle

(18:50) - Women and Muscle Development

(23:15) - Trends in Women's Fitness

(27:38) - Access and Inclusion in Fitness

(30:11) - Resilience of Muscle Tissue

(31:13) - Muscle Regeneration Process

(32:44) - Interview with Matthew Sanford

(37:10) - Curiosity in Muscle Science

(43:28) - Daily Muscle Care Tips

(45:47) - Closing Remarks

(47:14) - Bonnie adds a book to our Infinite Shelf

(48:00) - Connecting with Bonnie

Transcript

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0:00.0	Muscle and strength building is really the key to living a long time.
0:05.0	We all think of muscle as just the physical piece, but it has so much to do with identity and resilient.
0:11.0	You need to strength training. You need to lift weights. You need to challenge your body.
0:15.0	Your mental health can be so improved by weight training, lifting heavy things.
0:20.0	One daily action every single day to support your muscles.
0:22.7	Like, what is that one thing?
0:24.6	Bonnie Choi is a longtime contributor to The New York Times,
0:27.6	an author of On Muscle, the stuff that moves us and why it matters.
0:30.9	One of NPR's books we love and Amazon editors pick the best nonfiction,
0:35.3	2025.
0:36.0	Bonnie's work has been honored by Harvard University, the National Press Foundation, and
0:40.1	the Best American Essay series.
0:42.5	You transformed in 10 years by just lifting up something heavy once a week.
0:47.1	What you've done here is integrated and transmuted all of this science to transform
0:52.2	people's lives.
0:53.2	The whole point of training our bodies was to
0:56.0	be able to experience the world. How did you get on muscle in your brain? Bonnie, welcome to the
1:02.6	ready state podcast. We're just delighted to talk to you about your latest book and your prior books.
1:08.3	And we have so much, we have so much to get to here oh me too it's such a
1:12.5	delight to be here with you i've been waiting i've been waiting so longed for this moment
1:16.6	well just so everyone knows i think you are a bay area native that's right yeah i'm actually
1:24.6	from new york but i've been out here like 20 years.
	...

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