Back-in sexual intercourse posture Detailed Explanation

Back-in human sexual intercourse is the oldest in the way a form of primitive means, or the composition of sexual intercourse with animals, because humans evolved from animals is, of course, nothing can be surprised, but also many people in Not fully understand this position before sexual intercourse, then its dismissive.

Back-in sexual intercourse should be said to be very characteristics of a sexual way, whether male or female upper top can not be replaced.

Back-in can have several different forms of change, women can be abdominal horizontal, kneel or bend over to stand-horizontal, abdominal lying when women fully Lying prone on a bed, kneeling women kneel lying in bed Shuangzhou support in the bed , Referring to bend over to stand-standing legs, hands or Shuangzhou help in bed or chairs, tables, etc., hip Qiaoqi, body parallel or under Fu. Men can be prone to completely parallel women back, could also take kneel-or-standing. If taken to kneel-in bed, and then stand-in for a Chuangxia.

It is precisely because of their back-in the original position of sexual intercourse, it can only be said from the very physical anatomy is the perfect way to sexual intercourse. It is available in mammals, and is also applicable to humans. First of all female high on the buttocks of male sexual attract very strong, obviously the cause of excitement, and rich in fat female buttocks of tic movements of sexual intercourse as sponge, the formation of pressure on the cushion, so that both men and women can feel Comfort happy. Male sexual behavior in the course of a dominant position, control of tic movements at the extent and frequency, particularly the male premature ejaculation is more appropriate, to continue or stop entirely in their own hands.

Women in this position in actively cooperate with the men, especially when standing or kneeling-can take the initiative to meet the men Chousong action, can also tightening vaginal muscles.

Some men complain that women after childbirth vaginal muscle weakness, sexy is not strong, to be taken this position at this time, the best women in bed completely prone, kneeling men riding in the female hip Chousong women can be prone to support the back legs or hands folder Live female legs, women fight Long legs, then women's buttocks muscles and legs inside the mouth of the vaginal muscles, including muscles can be involved in sexual intercourse, the male penis to hold a strong sense of increased sexual pleasure, Male ejaculation caused by a powerful stimulus, and also to women constitute a great stimulation of the vagina, easily form of vaginal orgasm, it can be said back-in is the most easily lead to the climax of the type vaginal intercourse positions.

Back-in intercourse, men can use their hands to stimulate female breast, women back to the clitoris or touching, action magnitude greater sexual pleasure also strongly, the inadequacies of the female clitoris is not to stimulate the clitoris-only The female orgasm is not suitable, but in sexual intercourse several times, most women can be like back-in sexual intercourse.