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by bob love
The male orgasm is a total body response, not just a pelvic event. Brain wave patterns show distinct changes during orgasm, and muscles in many different areas of the body contract during this phase of sexual response. Some people experience the involuntary contraction of facial muscles resulting in what looks like a grimace or an expression of discomfort or displeasure, but it is actually an indication of high sexual arousal.
The most characteristic physical feature of orgasm is the sensation produced by the simultaneous rhythmic contractions of the pubococcygeus muscle (pc muscle). Along with contractions of the anal sphincter, rectum and perineum, the uterus and outer third of the vagina (the orgasmic platform) for women, and the ejaculatory ducts and muscles around the penis for men, this constitutes the reflex of orgasm. The first few contractions are intense and close together, occurring at about 0.8-second intervals. As orgasm continues, the contractions diminish in intensity and duration and occur at less frequent intervals.
Is there a difference between orgasm and ejaculation? It's an interesting question. We are so accustomed to assuming that the two go together - and being satisfied with this situation - that most men never seek to explore the possibility that they may not be as inextricably linked as we generally assume. However, as we shall see, there may actually be some basis to the idea that a man can experience multiple orgasms.
An orgasm cannot be stopped once it has started, for it is an involuntary process of muscular contraction and release of tension. But a man can control how quickly he reaches orgasm in a variety of ways. Most obviously, he can increase the pressure on his penis by making deeper or harder thrusts during intercourse, or by more vigorous hand movements during masturbation, or by having his partner massage his prostate through the perineum or through the internal wall of the rectum via a finger inserted through the anus. Another way is to contract the internal muscles which run through from his pelvic bone to his penis, a movement which will both speed up orgasm and make it more intense. This is the basis of the so-called Kegel exercises for women, used when a woman has a weakness of bladder control. In men, learning to contract and therefore strengthen these very same muscles will result in more intense orgasms and a more powerful ejaculation.
Once the level of stimulation has reached such a point that the final phase of sexual arousal is initiated, your body prepares itself for the great climax in all kinds of ways. Blood pressure goes up, your heart rate rises, your breathing becomes deeper and heavier, and involuntary contractions of muscles throughout your body may occur, a phenomenon which could be interpreted as a drive to thrust deeper into your partner's body, thereby increasing the likelihood that your semen will be deposited successfully inside her. A man may wrap his arms involuntarily around his partner and hold on tightly, another reflex which I think derives from our animal ancestry - the last thing you want is your partner escaping at the moment of ejaculation, after all the effort you put into getting your semen inside her! This doesn't sound very romantic, but we can't entirely escape the fact that sex evolved for reproduction, and much of this historical legacy still determines how we do it, even when we do it for pleasure.
Article Suggested By: PEA editors
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