HeyJaredStretch Mobility Coaching
Founder of Stretch Mobility Coach™ and Creator of The Stretch Method®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 and tightness are not aging.
- Indexed episodes, last 90 days
- 10
- Latest publication
- Sep 18, 2026
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- Earliest in this view
- Jul 7, 2026
Latest episodes
Ep #251 Ever Experience Knee Pain That Came Out Of Nowhere? (opens the original)
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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. The restriction is not in the knee. It is above it in the hip and bel
Ep #251 Sitting Is Not Shortening Your Hip Muscles (opens the original)
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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 first hour and why the fix is not a stretch. Then we get into
Ep #250 Why Does Your Hip Flexor Stretch Stop Working After Age 40 (opens the original)
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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 years in physical therapy as a PTA before I opened my own studio
Ep # 249 How to Open Up Tight Joints Without Surgery or Injections after age 40 (opens the original)
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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 one can go. Kim Nartker spent over twenty five years in physical t
Ep# 248 Why Does My Knee Feel Pressure When I Bend Down? (opens the original)
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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 supports, where the evidence runs out, and three real women standin
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