Apr 23, - You likely have been sitting/standing in an uncomfortable position. Once you climax (orgasm) your muscle contract and release the tension. In this way, you're helping those muscles reach the point of Don't think you want to be in mid orgasm, then start screaming in pain because your leg . you also tense your quads but probably not as much as your hamstrings. are a guy) this will push your penis deeper inside her just at the moment you.