Myofascial Pain Syndrome Support Group
Myofascial Pain Syndrome (or MPS) is a term used to describe one of the conditions characterized by chronic pain. It is associated with and caused by "trigger points" (TrPs), sensitive and painful areas between the muscle and fascia. The symptoms can range from referred pain through myofascial trigger points to specific pains in other areas of the body. It may be related...
"Depletion of Cellular energy and build up of Lactic Acid: Bunching of muscle tissue at the trigger point zone severely disables blood flow, and this, alongside the energy intensive Actin-Myosin activity reduces the cellular energy (ATP) available to the Calcium switch. It also increases local levels of lactic acid, which can be detrimental to cellular function - "
From this fascinating site:
http://www.easyvigour.net.nz/trigger_points/h_triggerpoint4.htm