hi christo,i also have dystonia,and it not very nice at all,symtoms;there is many different types of dystonia,which symtoms are; muscle spasms,limbs twist in wards,body jerks,in different parts of the bodys.but with foot dystonia there is a painful muscle contraction in the foot which causes twistern in the foot.it is caused by incorrect messages from the brian to the muscles. there is no cure for it unforunally, but people with it can be controled with treatment pain control.