# @elastaboy on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DZp4QgbDIPQ
- **Gondola URL:** https://gondola.cc/posts/66717799-elastaboy-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/6116b49fb7.jpg
- **Posted:** 2026-06-16T17:00:33.000+00:00
- **Account Owner:** Jake Blundell (@elastaboy) — https://gondola.cc/elastaboy

## Caption

Your tibialis posterior holds your arch up like a cable bridge. When it weakens, 3 joints above collapse.
The muscle no one talks about is the one holding your entire arch together.
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Your tibialis posterior runs from the back of your shin, wraps under the inner ankle, and fans out across the bottom of your foot. It acts like a suspension cable for your arch. When it's strong, your foot stays stable and springy. When it's weak, the arch sags, the ankle rolls in, and every joint above starts compensating for the lost stability below.
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Modern shoes do most of the work your tibialis posterior should be doing. Thick soles, rigid arch supports, and narrow toe boxes keep this muscle dormant for years. Then you wonder why your knees ache after a short walk or your lower back locks up every morning. The dysfunction started two feet below where you feel the pain.
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This reel covers three progressive drills that wake up the arch, load the soleus and gastroc, and restore dorsiflexion at the ankle. No equipment needed beyond a step and a resistance band.
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Save this for your next session.
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Drop BASICS in the comments and I'll send you my Grade 1 Mobility programme. 15 minutes a day, pure follow-along, designed for any starting level. Just press play and copy what I do.
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#Elastaboy #Reboryn #FootStrength #ArchSupport #AnkleHealth

## Stats

- **Views:** 2,006
- **Likes:** 561
- **Shares:** 0
- **Comments:** 12

## Tags

footstrength, anklehealth, elastaboy, reboryn, archsupport

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