The Healthy Movement Podcast

The Healthy Movement Podcast

Founder of Stretch Mobility Coach™ and Creator of The Stretch Method® Owner of The Stretch Mobility Coach Studio's Kim Nartker is a healthy movement pioneer who spent more than 20 years studying how the body moves only to discover the truth most of us were never taught: stiffness, soreness and tightness are the signals our bodies send when our movement system needs support. These signals precede pain and chronic loss of joint mobility after age 40. After decades of working inside traditional healthcare as a PTA. Kim stepped away to open a concierge membership practice that focused on healthy movement testing, tracking, restoring and preserving the health of your movement system. She found in doing this she can help people move better everyday while improving how well people moved through their entire life. Healthy movement can be preserved with the right support and coaching. The show is all about helping you learn how to listen to your movement system, to support it and preserve the health of your movement system. Preserve your healthy movement system so that you are capable of moving well at every stage of life. Hosted on Acast. See acast.com/privacy for more information.

Episodes

September 25, 2026 • 13 mins

Hip mobility after 50 is the question people keep asking me. Why do my hips feel like this when I did not do anything to cause it?


In this episode I continue the hip series and break down what has actually happened to your hips by the time you reach 50.


You will learn the four parts that make a hip healthy: the joint, the muscle, the nervous system and the cell inside that muscle.

You will learn the six ways your hip moves a...

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Knee pain out of nowhere is the signal almost everyone misreads. You did not fall. You did not twist it. You got out of the car or stepped down a stair and your knee twinged, and now you are searching for stretches and exercises and trying creams and braces and inserts that work for a little while before the pain comes back.


In this episode I break down what I find when I test somebody whose knee started hurting for no reason. T...

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Sitting is not shortening your hip muscles.

I read the research and it does not support what we have all been taught.

I spent over 20 years as a PTA teaching people that sitting shortened their hip flexors and that aging was why they felt tight.

This episode is where I show you what changed my mind.

We look at what two studies on hamstring length and hip muscle length actually concluded. We look at what sitting really does inside the...

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Your hip flexor stretch stops holding after 40 and the reason has nothing to do with how much you stretch. In this episode I go through the actual stretching research and show you the number nobody hands you. How much stretching it really takes before your range of motion moves enough to count as a real change. Then I show you what happened when researchers stood those same people up and asked them to run.

I spent over twenty five y...

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Can you open up space in a tight joint without surgery or injections after 40.

Yes. But not with stretching.

There are two types of motion in every joint. One you can partly control and it is the one everybody measures. The other lives inside the joint capsule and you have no voluntary control over it at all. You cannot stretch it. You cannot strengthen it. You cannot foam roll it. And it is the one that decides how far the first on...

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Your knee feels fine walking. Fine on stairs. Then you go down to the floor and there is a pressure. Most people call this pressure aging. and avoid that deep knee bend. It is not aging. Your knee has a lock and unlock mechanism you have no control over, and going to the floor is the only movement in your day that will tell you it has stopped working.

In this episode I break down what that pressure actually is, what the research s...

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August 4, 2026 • 45 mins

Healthy Movement 101: What You Can Control, What's Stealing Your Movement, and the Gap Between Them


This is the foundational episode — the one to start with, and the one to share when someone asks what healthy movement actually is.


We cover a lot of ground.

First, what you can control: why holding any position too long lets the tissues around your joints slowly deform and quiet the muscles that stabilize them, why keepi...

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You wake up stiff. Your back, your hips, your feet take a while to loosen up. You stretch, it helps for an hour, and the tightness comes right back. Most of us call this aging and move on.

In this episode, movement coach Kim Nartker explains what is actually happening — a documented process the research calls arthrogenic muscle inhibition, and what she calls the Silent Shutdown Cycle. You'll learn why your tightness is a signa...

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July 21, 2026 • 5 mins

Key Points


Keywords

healthy movement, movement system, joint health, pain management, functional movement, aging, muscle function, mobility, nervous system, joint space


Summary

In this conversation, Kim discusses the concept of healthy movement, emphasizing the importance of understanding the movement system that governs our physical capabilities. She explains how aging and pain are often misinterpreted, and introduces the idea...

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In today's show Coach Kim dives into a cycle that you have never heard of. She reveals what is happening in your movement system that leads you down a path to Osteoarthritis, chronic pain and loss of joint mobility and strength.


This episode dives into the hidden factors that silently deteriorate our ability to move and stay healthy throughout life. Kim discusses the powerful concept of the "silent shutdown cycle" and offers pr...

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In this "Ask Coach Kim" episode, Kim dives into the topic of muscle relaxers, looking at the research to see if muscle relaxers help improve tightness, stiffness and soreness like marketing of this drug says it does. Kim will explore what muscle relaxers do for you. she will dive into the research to see if muscle relaxers truly relax your muscles and she will talk about why you are tight, stiff and sore and what is going on in yo...

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Your neck tightness is not a muscle problem. And that is the whole reason your neck tightness never goes away.

You stretch it. It feels better for a moment. Then the tightness comes right back. You have been told this is tight muscles and bad posture. The research tells a different story.

In this episode Coach Kim explains the real reason your neck stays tight. The tightness you feel is more complex than what you have been taught to...

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You lift heavy. You eat your protein. You follow the program. And the orthopedic surgeon just told you that you need a joint replacement. How did this happen?


In this episode, I break down the real benefits of strength training. What it cannot do for you. And the silent decline running underneath every workout that is loading uneven joints and building arthritis without you knowing it.


You will hear the 6-stage path your join...

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In this episode, Kim breaks down what is really happening inside your hip and why it feels stiff, tight, and stuck. If you are in midlife, menopause, or postmenopause, this one is for you.


How a hip actually locks up and why it is not just aging Why your hip flexors stay tight no matter how much you stretch How sitting changes your joint capsule first and your muscles second Why dropping estrogen affects your joints tendons and ...

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Your hips lock up and you blame age. You blame sitting. You blame your hormones.

But it is more complex that this: In the show I break all of this down so that you better understand what happens in your hip in midlife and what you can do to protect your movement health.

A locked up hip is not a muscle problem. It is a joint problem. And no amount of stretching will unlock a joint that has shut down.

In this episode Kim breaks down wh...

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Your Movement Health Score may be the single most important number nobody has ever measured for you. In this episode, Kim Nartker pulls apart the word healthy and shows why most of us are only tracking one or two layers of it while the layer that decides how well we move gets ignored completely.


It starts with her husband in the recliner. He asked her to work on his neck. She asked him to turn his head. He said he felt fine and ...

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Peter Attia and Dr. Abbie Smith Ryan had a powerful conversation on Women's Health and Performance. They covered training nutrition and hormones across life stages. But two questions hung in the air without answers. Why are older adults falling when they get bumped? And why is Dr. Abbie afraid of tearing her Achilles tendon when she trains?


I am bringing the missing piece. The joint capsule and the deep stabilizer shut down that...

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Menopause shoulder pain is the warning signal most women miss until they are scheduled for surgery. In this episode, I walk through a real case from my studio. A 53-year-old woman in menopause came in with a Mobility Health Score of 85. Within 30 days, her score rose to 33, and her Movement Age moved from 85 to 81. She was getting better in measurable ways. Then she lifted a suitcase on a work trip. Now she is scheduled for rotator...

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The Healthy Movement Self Test is the at-home assessment most adults need before they ever need a doctor. In this episode of The Stretch Mobility Coaching Podcast, Kim Nartker walks you through seven simple movements you can do at home in five minutes that reveal whether your healthy movement system is working or quietly shutting down.


Pain is the last signal your body sends. Not the first. By the time something hurts, the work ...

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In this episode, I’m talking directly to women in their 50s and 60s who have spent years giving everything to their families and are now wondering where they went in the process. If you’ve been feeling the physical, emotional, and mental weight of that, you’re not alone.


I share real stories, break down the patterns keeping us stuck in guilt and overgiving, and explain what’s actually happening in your bo...

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