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性行為的基本類型
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2.
異性性交:
異性生殖器性交
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性交合
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一對正開始性交合的夫妻
[自古希臘花瓶畫，柏林Staatl博物館（SPK）。] |
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Couple beginning coitus.
After an ancient Greek vase painting,
Staatl. Museen zu Berlin, SPK |
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性交合的技巧
7
人們慣常認為一些性交合方法尤其有效，因為它們可以讓男方用陰莖刺激女方的陰蒂。出於同樣的原因，人們也認為其它的一些方法則是次要的，因為它們讓陰蒂未得到完全的刺激。現代性學研究已經表明這兩種假設都是錯誤的。畢竟，隨著不斷增強的性刺激，陰蒂縮回到陰蒂包皮內，因而難以受到任何的直接刺激。不過，它會隨著陰蒂包皮的牽動而間接受到刺激。當陰莖在陰道內前後抽動的時候，附著于陰蒂的小陰唇[1]會受到牽拉，進而導致陰蒂包皮的牽動。這種間接的刺激幾乎總是有效的。無論陰莖插入的方向或角度如何，這些都無關緊要。
不過，有一種讓許多女性都感到特別滿意的方法，因為這種方法讓她們幾乎完全控制著性交合的動作：騎跨在被動仰臥的男子身上。這種方法在古希臘人和古羅馬人中間也非常流行，事實上曾被他們認為是“正常的”體位。當今，這種方法常常被性治療師所推薦，因為它似乎有助於男女雙方克服性興奮不足。（參見
“性功能障礙及其治療”。）
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Basic Types of Sexual Behavior |
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2. Heterosexual Intercourse: Genital Intercourse |
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Coitus |
Techniques of Coitus 7
It used to be believed that certain coital approaches were especially effective because they made it possible for a man to stimulate a woman's clitoris with his penis. By the same token, certain other approaches were considered inferior because they allowed the penis to leave the clitoris completely unstimulated. Modern sex research has shown that both assumptions are false. After all, with mounting sexual excitement the clitoris withdraws under its hood and thus becomes inaccessible to any direct stimulation. However, it is stimulated indirectly by the movements of this hood which are caused by the pushing and pulling of the attached minor lips as the penis moves back and forth inside the vagina. This indirect stimulation is almost always assured. It does not matter all that much from which direction or at what angle the penis is inserted.
However, there is one approach that many women find particularly satisfying, because it gives them almost complete control over the coital movements: straddling the man who lies passively on his back. This approach was also very popular among the ancient Greeks and Romans and was, in fact, considered "normal" by them. Today, it is often recommended by sex therapists because it seems to help both men and women to overcome sexual inadequacies (see "Sexual Dysfunctions and their Treatment") |
