It does more than two thousand years, in India, a called man Nandim wrote aphorisms of the love in 1.000 chapters.
It was summarized, interpreted and been brief by several authors, but the one that has arrived to the present time is of Mallanaga Vatsyayana, author of the Kamasutra that today is known.
Little one knows of Vatsyayana, that it was only born in the Southeast of India around century III of ours was and that, being based mainly on writings of Nandim and their own experiences and reflections, wrote the Kamasutra, a book dedicated to the accommodated citizens of the Hindu society to instruct them in the love arts and that has become a chronicle of the customs of the time.
What less it is possible to be found in the Kamasutra is pornography, because is a seriously written book and rigor almost scientist, since Vatsyayana begins to study the characteristics of men and women to whom it classifies by species, as if a treaty of Biology it was.

This position is ideal for the lovers of the wildest and primitive sex.
The man, standing up, takes the woman behind and he penetrates it taking it from the waist.
It, relaxes all her body as the gravity until supporting her hands in the floor.
The man surprises the woman behind and counts the cadence of the sex.
For her, the pleasure is concentrated in the angle of fragmentation of the vagina that, to the limited being, causes a sensation of very placentera narrowness for many women. For him, the most powerful sensation expands from glande, that enters and leaves the vaginal opening at will and caresses clitoris in the most audacious exits.
In addition, the field of view of the man includes the anus, the glúteos and the highly erógenas back, zones for many.
The domination that it exerts and the total relaxation of her can favor the playing of the man with the anus of her: to introduce a finger during the sex can enormously be exciting.