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Leave Your Mark

Leave Your Mark

Curiosity, Science, Relationships, and the Pursuit of Better Questions with Keith Barr

Leave Your Mark · Jul 21, 2026 · 1:12:52

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What shapes a world-leading scientist?

Is it intelligence?
Great mentors?
Opportunity?
Or simply an insatiable curiosity that never stops asking why?

In Episode 489 of the Leave Your Mark Podcast, I sit down with Dr. Keith Baar, one of the world's most respected molecular exercise physiologists, whose work has transformed our understanding of muscle growth, tendon adaptation, rehabilitation, and human performance.

As Professor of Molecular Exercise Physiology at UC Davis—and soon to begin the next chapter of his career at McMaster University—Keith has spent decades translating molecular biology into practical strategies for clinicians, therapists, coaches, and elite sporting organizations worldwide.

But this conversation isn't about signalling pathways or collagen synthesis.

It's about the journey that created the scientist.

We explore the mentors who shaped him, why curiosity has always driven his career, how his relationship with his wife Barb influenced many of life's biggest decisions, and the leadership philosophy that built one of the world's most respected research laboratories around the simple idea of conducting world-class science in a family environment.

Along the way, we discuss why science should never be about proving yourself right, how diverse experiences lead to better discoveries, the challenges facing research today, and why asking better questions is often more important than finding quick answers.

Of course, we couldn't resist diving into some of Keith's latest work on tendon adaptation, including the exciting potential of low-load, long-duration isometrics (3LD) and what his research may mean for rehabilitation and performance practitioners everywhere.

This is an episode about science.

But even more, it's an episode about the people behind the science.

I think you're going to enjoy this one.

If you liked this EP, please take the time to rate and comment, share with a friend, and connect with us on social channels IG @Kingopain, TW @BuiltbyScott, LI+FB Scott Livingston. 

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Episodes: Leave Your Mark

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