Here are the notes from my presentation about the neurophysiology of myofascial trigger point dry needling delivered during the 2016 ChiroAdvance Symposium.
References:
Probable Mechanisms of Needling Therapies for Myofascial Pain Control
Dry needling — peripheral and central considerations
Dry Needling Related Short-Term Vasodilation in Chronic Sciatica under Infrared Thermovision.
Myofascial Trigger Points: An Evidence-Informed Review