IASTM stands for Instrument Assisted Soft Tissue Mobilization. It can sometimes be called Graston (the original technique) or Astym, both of which are "name brand" techniques for basically a very similar treatment protocol. This technique aims at increasing blood flow, breaking up fibrosis, scar tissue and adhesions as well as promoting healing in the areas treated.

This can be a stand alone treatment but at VOMW we incorporate it into our treatment sessions. IASTM is a tool for therapists to use, making their hands very precise as they work at specific depths and along associated areas of the body to help tissues lengthen, remodel or release.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6409241/  

https://www.ncbi.nlm.nih.gov/pubmed/31461382