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Vaginal tightening is the tightening of the pelvic muscles〔(【引用サイトリンク】url=http://www.webmd.com/women/guide/vaginoplasty-and-labiaplasty-procedures )〕 to achieve or maintain the right degree of elasticity of the pelvic floor muscles. These muscles must be able to contract to maintain continence, and to relax allowing for urination and bowel movements, and in women, for sexual intercourse as well as for giving birth. They also support and protect the organs of the abdomen and hold the bladder in its proper place. The pelvic muscles can become stretched or weakened due to ageing and more specifically due to pregnancy. This often happens after a difficult childbirth which overstretches or tears the pelvic muscles and can also be the result of giving birth to several babies within a very short time span. Their under use can also cause pelvic floor weakness. Like for any other muscle, pelvic muscles need exercise to work well. In the same vein, the change in hormones related to menopause could weakened these muscles, as well as damage caused through long term straining, chronic constipation or cough or overweight. Vaginal tightening can be achieved in different ways, all effective in their own way and can be complementary. == Causes == The pelvic floor muscles, region of the body called the ''perineum'', is a group of muscles and ligaments. Its main muscle is the Pubococcygeus muscle or PC muscle. It is a hammock-like muscle, found in both sexes, that stretches from the pubic bone to the coccyx (tail bone) forming the floor of the pelvic cavity and supporting the pelvic organs. This set of muscles, also known as the muscles of the perineum, forms the floor of the pelvic cavity and supports the pelvic organs such as the bladder, uterus and colon and intestine. These muscles act like a rubber band, they need to be tense but neither too tight to avoid pelvic floor muscle disorder nor too loose, because in both cases they will lose the right degree of elasticity and therefore their main function and could potentially create a pelvic floor dysfunction. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vaginal tightening」の詳細全文を読む スポンサード リンク
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