Functional Dry Needling (FDN) is a technique often used by physical therapists. This technique involves inserting a thin needle into an irritated muscle. FDN is a technique that focuses on muscles with hyper-irritable segments called myofascial trigger points. These trigger points can be painful and can potentially cause stiffness and restricted motion resulting in dysfunction for patients. FDN is an effective and efficient method to release these irritated segments.
Trigger points within these muscles have increased levels of chemicals that cause pain and inflammation while disrupting normal cellular functions. Trigger points also have diminished blood flow or ischemia causing soreness and abnormal muscle functioning. FDN causes a muscular twitch, resetting the chemical and acidic balance. The twitch response elicited by FDN also facilitates muscle fiber lengthening and pain modulation.
The physical therapist may needle multiple trigger points within one treatment session. There may be minimal bleeding at the insertion site but resolves quickly.