How Rucking Improves Blood Sugar and Insulin Sensitivity with Kayla Girgen

2026-02-16

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What does blood sugar actually mean for someone who rucks for fitness?In this episode, registered dietitian and author Kayla Girgen joins The Rucker’s Edge to break down glucose, insulin, continuous glucose monitors (CGMs), and how movement directly improves metabolic health.You’ll learn:What glucose really is and how your body uses itThe role insulin plays in blood sugar regulationWhat insulin resistance actually meansWhat CGMs measure — and who should consider using oneWhy post-meal movement dramatically impro...

What does blood sugar actually mean for someone who rucks for fitness?

In this episode, registered dietitian and author Kayla Girgen joins The Rucker’s Edge to break down glucose, insulin, continuous glucose monitors (CGMs), and how movement directly improves metabolic health.

You’ll learn:

What glucose really is and how your body uses it
The role insulin plays in blood sugar regulation
What insulin resistance actually means
What CGMs measure — and who should consider using one
Why post-meal movement dramatically improves blood sugar response
How muscle mass impacts glucose disposal
How rucking compares to walking, running, and strength training for metabolic health

Kayla explains how muscle acts like a sponge for circulating glucose and why building and preserving muscle is one of the most powerful long-term strategies for improving metabolic flexibility.

If you’ve ever wondered whether a CGM is worth trying or how rucking affects blood sugar, this episode gives you practical, actionable insight you can apply immediately.

LINKS & RESOURCES

RUCK FIT on Amazon: https://amzn.to/4qlVYRS
Free CGM Guide: https://cgmguide.gr8.com/
Kayla's website: https://kaylagirgenrd.com/
Kayla's Podcast: Sugar and Strength Podcast
The Rucker's Edge – Official Website
Follow The Rucker’s Edge on Instagram: @theruckersedgepod

NOTES

Music Credit: “Play This Game” by Black Rhomb.
I'm not a doctor, and this podcast is for informational and entertainment purposes only. Please consult with your physician before starting any new exercise or physical activity.

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