Heal Without Harm
Heal Without Harm
Dr. Clayton Dir PT, DPT (AKA TheDocDir)
Scraping? iASTM / ASTYM / Graston / RockBlades - how does this all work? - ep25
11 minutes Posted Jun 16, 2025 at 9:00 am.
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You've seen the videos—metal tools scraping skin, leaving red marks, and promising to “break up scar tissue.” But what’s really happening during Instrument Assisted Soft Tissue Manipulation (IASTM)? In this episode, we cut through the noise and break down what IASTM actually does (and doesn’t do).

You’ll learn:

  • How IASTM stimulates the nervous system to reduce pain

  • Why the “scar tissue” myth is outdated and misleading

  • Who benefits most from this technique

  • Why it works best when paired with strength and movement

If you've been told you need to be “scraped” to get better—or you're curious whether this treatment could help you move better and hurt less—this episode is for you.


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Dr. Clayton Dir DPT (The Doc Dir)


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