What if the simplest way to build strength, improve endurance, and sharpen your mind is already sitting in your closet as an old backpack?

Rucking sounds almost too simple to matter. Add weight to a walk and head outside. Yet in this conversation, Dr. Andrew Fix and registered dietitian and RuckFit author Kayla Girgen make a compelling case that rucking may be one of the most practical tools for long-term health. It builds strength, supports bone density, elevates heart rate, and challenges posture without the joint stress that sidelines so many active adults.

The deeper insight centers on sustainability. How often do we abandon fitness because we cannot execute the perfect plan? Kayla shares how rucking helped her move beyond all-or-nothing thinking and build consistency. Weight and distance can scale with your season of life. A stroller walk becomes training. A short neighborhood loop becomes meaningful work. When paired with thoughtful nutrition and simple lifestyle shifts like better sleep and stress awareness, the results compound. What changes when we stop chasing optimal conditions and start valuing repeatable effort?

The conversation also explores metabolic health through continuous glucose monitoring and how nutrition choices, stress levels, and daily lifestyle patterns influence inflammation and energy. Awareness shapes behavior. Manageable discomfort builds resilience. Whether the load is physical or psychological, growth follows when we choose to engage.The takeaway is grounded and actionable. You do not need elite gear or ideal weather. You need a backpack, a little weight, and the willingness to step outside.

Quotes

“Spending more time in nature, getting outside, and out of my head really helped calm a lot of anxiety that I was feeling at that time.”(04:00 | Kayla Girgen)
“You don't have to carry obscene amounts of weight to get the benefits of rucking.”(14:11 | Kayla Girgen)
“This is where I love rucking because it can help bring something like walking and help it feel like, for lack of a better term, like it counts.” (18:28 | Kayla Girgen)
“Most everybody has what you need at home. So when I first started, I grabbed an old backpack. I wrapped a 10 pound dumbbell in a towel and threw it in the interior pocket.” (24:46 | Kayla Girgen)
“I think the number one mistake I see with rucking is just not doing it.”(58:05 | Kayla Girgen)

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KAYLA GIRGEN, RD, LD, CPT, is a registered dietitian, certified personal trainer, and founder of Sugar + Strength Academy—an online wellness community helping women balance blood sugar and build strength, one step at a time. She blends real-life tools, such as continuous glucose monitoring (CGM), with accessible movement, like rucking, to help clients break free from diet extremes and feel strong—both physically and mentally. Kayla’s approach centers on progress over perfection and creating results that work in real life. Her upcoming book Ruck Fit shares how rucking became a catalyst for reclaiming her physical and mental health, proving that fitness doesn’t have to be complicated to be life-changing.

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