Pubococcygeus muscle

From Free net encyclopedia

Template:Infobox Muscle The pubococcygeus muscle or PC muscle is an important muscle in the human body. 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. It controls urine flow and contracts during orgasm. It surrounds the rectum, the vagina (in women) and bladder openings. It aids in urinary control, and childbirth.

A well-developed pubococcygeus muscle can enhance sex and orgasm in both sexes. Kegel exercises are a set of exercises designed to strengthen and give voluntary control over the pubococcygeus muscles. These exercises are often referred to simply as "kegels." They also serve to contract the cremaster muscle as voluntary contraction of the pubococcygeus muscle (aided by vacuums, sucking in the abdomen/belly button) also engages the cremasteric reflex, which also has sexual benefits.

A strong PC muscle has also been attributed to a reduction in urinary incontinence and proper positioning of the baby's head during childbirth.

Kegel exercises appear to enable some men to have multiple orgasms and can help with premature ejaculation.

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Details from Gray's anatomy

The Pubococcygeus arises from the back of the pubis and from the anterior part of the obturator fascia, and “is directed backward almost horizontally along the side of the anal canal toward the coccyx and sacrum, to which it finds attachment. Between the termination of the vertebral column and the anus, the two Pubococcygei muscles come together and form a thick, fibromuscular layer lying on the raphé formed by the Iliococcygei”. The greater part of this muscle is inserted into the coccyx and into the last one or two pieces of the sacrum. This insertion into the vertebral column is, however, not admitted by all observers. The fibers which form a sling for the rectum are named the Puborectalis or Sphincter recti. They arise from the lower part of the symphysis pubis, and from the superior fascia of the urogenital diaphragm. They meet with the corresponding fibers of the opposite side around the lower part of the rectum, and form for it a strong sling.

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