When Masters and Johnson released their account of the physiology of the sexual response, they opposed Freud's theory of the transition of erogeneous zones in women. According to these well-known sexologists, nerve endings in the vagina are extremely spread. Hence, during coital stimulant the clitoris is stimulated indirectly, possibly through the movement or friction of the labia. Hite's data sustained this point of view. Almost all women who reached orgasm through stimulation from coitus alone had experienced orgasm through masturbation. Many women needed additional manual stimulus to sexual climax during coitus, and an even larger number was unable to orgasm during coitus at all.
Evidently, coitus alone is not a very impelling stimulus for orgasm in women. In 1950, Grafenberg offered an alternative to Masters and Johnson's explanation for the comparative ineffectiveness of coitus to stimulate orgasm. He described an area of erectile tissue on the anterior wall of the vagina along the course of the urethra, about a third of the way in from the introitus and below the base of the bladder. Strong digital stimulation of this zone would activate a quick and high level of sexual arousal which, if kept, induced orgasm. This paper was ignored until 1982, at which time this area was renamed as the G-spot. According to Levin, still, there is no credible scientific prove for the presence of either a unique G-spot with its own plexus of nerve fibers or for the fluid that is often expelled when orgasm is achieved from stimulus of this area being anything other than urine. Because it is difficult to see how strong stimulation of this G-spot would not also stimulate other erogeneous structures such as the urethra and clitoral tissue, Levin argues that the whole area should be viewed as the anterior wall erogeneous complex. Grafenberg pointed out that coitus in the so-called missionary position (ventral ventral) prevents stimulation of the anterior vaginal wall and would therefore not be optimally sexually arousing for women. Alternatively, contact with the anterior wall is very close, when the intercourse is performed more bestiarum or a la vache that is, a posteriori . Thus, Grafenberg's suggestion was not that coitus itself is an ineffective sexual stimulus for women, but only coitus in the missionary position.
Sensitiveness of the entire vaginal wall has been explored in several studies. Weijmar Schultz et al. used an electrical stimulus for exploration under nonerotic circumstances. This study confirms sensitiveness of the anterior vaginal wall, even though sensitivity of this area was much lower than that of the clitoris.
Author Resource:-
David Crawford is the CEO and owner of a pills for erectile dysfunction company known as Male Enhancement Group which is dedicated to researching and comparing male enhancement products in order to determine which male enhancement product is safer and more effective than other products on the market. Copyright 2010 David Crawford of penies of men This article may be freely distributed if this resource box stays attached.
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