Yeah i kinda admit, because just today VETHONZO AND DENIC from Mizoram they played, VETHONZO look much muscular but i think Denic has a bigger bones structure.. Denic won the right arm match.
Size of biceps don't matter in arm wrestling.just have a look at avilies forearms. It's better to have a strong forearms and grips then to have big biceps in arm wrestling.