You'd be surprised how little or even how much impact it could take to break your hymen. The thickness or thinness of the tissue varies from girl to girl. If it's thin enough, it's possible to have it break while riding a bike or while playing impact sports. Try not to feel pressured to avoid your normal activities or the gynecologist . 7 Mar Unless you have had a boy stick his penis in your vagina you are technique a VIRGIN. Just because your hymen is broken does not mean your not a virgin anymore. Hymen can be broken easily. riding your bike for example can break your hymen. This is getting ridiculous! Not you girls, the whole system. 14 Dec For example, some of my teen patients have questions about a partner (male or female) inserting a finger into a vagina. Does that “de-virginize” her? If a girl uses a tampon does that cause her to lose her virginity? If she falls off her bike, might that affect her hymen, and thus her virginity? Who loses their.