hi. i am 21 yr old student. had an exam toda, and was writng the paper at quite some speed. all of a sudden, my hand(left hand-i am left handed) began to seize. it continued for quite sometime, and the seizing wud be fr just some seconds. . i thn slowed down my speed. and it kinda stopped. even now , asi was typing this query, and was typing fast, the same happened.