ired of grinding a massage gun directly into a sore, painful IT band? In this guide, Dr. Justin Lin explains why SI joint instability often drives Runner's Knee and why blasting the IT band directly isn't the solution. Discover how to use a massage gun for IT band relief by targeting surrounding leg muscles instead. Learn how to lengthen the vastus lateralis and calf, activate the VMO and hamstrings, and progress attachments safely for long-term knee stability.