Posted by Ian Easton on April 04, 2001 at 08:23:16:
In Reply to: Muscle problems posted by Concerned on April 03, 2001 at 23:33:15:
Here are some links to check:
http://www.embouchures.com/
http://abel.hive.no/trumpet/embouchure/Broken_Embouchures.html
In particular, check out the work by Dr Steven Frucht on focal dystonia (from the first link, above). A worst-case senario, so don't be alarmed!
good luck,
Ian Easton