lol. to tell you the honest truth... i didn't know about this stuff AT ALL until i had a chat conversation with someone a couple weeks ago. i mean... i figured out all on my lonesome (and my partner helped a bit) about 'clenching inside' (was how i put it lol) to help the orgasms along in different positions... but i just learned about the exercises and stuff!
apparently some women do have considerable difficulty being able to isolate those muscles. there was some suggestion that one could put a finger inside and if you can feel yourself clenching around it then yeah, you have those muscles. i remember when someone i knew gave birth they had the exercise on the back of the bathroom. i tried to stop midstream but i couldn't! i wonder if i could do it now... i think i'm going to start practicing these properly... internal organ distension sounds icky