I'll link one of our TOS forum sticky threads as it may be helpful for many of you -
You don't have to have TOS to get trigger points.
Trigger point information {TrPs} for short
http://neurotalk.psychcentral.com/thread125577.html
A compiled list of links for ergonomics, RSI/TOS, postural issues, therapies,etc-
http://neurotalk.psychcentral.com/post388-1.html