Dry needling involves inserting very thin, sterile needles into tight or painful muscles, so it’s natural to wonder if it hurts. 

What Is Dry Needling and How Does It Work?  Dry needling is a modern therapeutic technique used by physiotherapists and other health professionals to treat muscle pain and tightness. Despite the word "needling," it’s different from acupuncture — dry needling focuses specifically on targeting muscle knots called trigger points.