Erectile dysfunction is without a doubt one of the most dreaded conditions for men but there are times when one tries to claim impotence to get out of legal hassles. Case in point being the recent incident where Asaram Bapu tried to wiggle out of the accusations levelled at him of sexually assaulting a girl by claiming he was impotent and incapable of rape. To explain impotency tests you first need to understand: How does the penis become erect? Technically speaking an erection is caused due to the hydraulic effect of blood entering and being retained in spongy bodies within