http://www.cmaj.ca/content/164/2/203.full
http://www.jada-plus.com/content/116/4/514.short

...

Can an injury like whisplash or RSI trigger an extra-pyramidal 'disorder' in the brain ? In the goal to protect the area...

http://en.wikipedia.org/wiki/Orphenadrine#Uses interesting..

Can Orphenadrine safely relieve the damn spasm ?

"Comparison of depressant actions of orphenadrine and diazepam on hypertonic skeletal muscle activity."

"It would appear that both agents are acting via the central nervous system when they suppress hypertonic skeletal muscle activity, but only orphenadrine exhibits protective indices consistently greater than 1."

http://www.ncbi.nlm.nih.gov/pubmed/2624511