There are a few more than 620 potential trigger points possible in human muscles. These trigger points, when they become active or latent, show up in the same places in muscles in every person. That is, trigger point maps can be made that are accurate for everyone
references
Trigger point - Wikipedia, the free encyclopedia. (n.d.). Wikipedia, the free encyclopedia. Retrieved April 7, 2011, from http://en.wikipedia.org/wiki/Trigger_point
