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Encyclopedia > Pubococcygeus muscle

Pubococcygeus muscle
Muscles of the lower abdomen.
Latin musculus pubococcygeus
Gray's subject #119 424
Origin:
Insertion:
Artery:
Nerve: S3, S4
Action:
Dorlands/Elsevier m_22/12550316

The pubococcygeus muscle or PC muscle 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 is part of the levator ani group of muscles. Image File history File links Gray404. ... For other uses, see Latin (disambiguation). ... A typical adult human skeleton consists of the following 206 bones, though this number does vary owing to a variety of anatomical variations; for example, a small portion of the human population have an extra rib, or an extra lumbar vertebra. ... A typical adult human skeleton consists of the following 206 bones, though this number does vary owing to a variety of anatomical variations; for example, a small portion of the human population have an extra rib, or an extra lumbar vertebra. ... Section of an artery For other uses, see Artery (disambiguation). ... List of human nerves External links List of nerves This is an incomplete list, which may never be able to satisfy certain standards for completeness. ... Kinesiology is the scientific study of human movement. ... Elseviers logo. ... The ventral and anterior of the three principal bones composing either half of the pelvis -- called the pubic bone. ... The coccyx is formed of up to five vertebrae. ... The Pelvic cavity is a body cavity that is bounded by the bones of the pelvis and which primarily contains reproductive organs. ... The Levator ani is a broad, thin muscle, situated on the side of the pelvis. ...


It surrounds the rectum, the vagina (in women) and bladder openings. The rectum (from the Latin rectum intestinum, meaning straight intestine) is the final straight portion of the large intestine in some mammals, and the gut in others, terminating in the anus. ... The vagina, (from Latin, literally sheath or scabbard ) is the tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. ... In anatomy, the urinary bladder is a hollow, muscular, and distensible (or elastic) organ that sits on the pelvic floor in mammals. ...

Contents

Function

It controls urine flow and contracts during orgasm. It aids in urinary control, and childbirth. Parturition redirects here. ...


A well-developed pubococcygeus muscle can enhance sex and orgasm in both sexes. It has been suggested that Duration of sexual intercourse be merged into this article or section. ... // An orgasm (sexual climax) is the conclusion of the plateau phase of the sexual response cycle, and is experienced by both males and females. ...


A strong PC muscle has also been attributed to a reduction in urinary incontinence and proper positioning of the baby's head during childbirth. The tone or style of this article or section may not be appropriate for Wikipedia. ...


Kegel exercises

Kegel exercises are a set of exercises designed to strengthen and give voluntary control over the pubococcygeus muscles. They are often referred to simply as "kegels." These exercises also serve to contract the cremaster muscle in men, as voluntary contraction of the pubococcygeus muscle also engages the cremasteric reflex, which also has sexual benefits. This will make the penis rise, and control can be achieved with practice [citation needed]. A Kegel exercise, named after Dr. Arnold Kegel, is an exercise designed to strengthen the pubococcygeus muscles. ... The cremaster muscle is a muscle that covers the testis. ... Cremasteric Reflex is a reflex in males only. ... The penis (plural penises, penes) is an external male sexual organ. ...


Kegel exercises appear to enable some men to have multiple orgasms and can help with premature ejaculation. An orgasm, also known as a sexual climax, is a pleasurable psychological or emotional response to prolonged sexual stimulation. ... This article or section is in need of attention from an expert on the subject. ...


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. The fascia of the Obturator internus (or Obturator fascia) covers the pelvic surface of, and is attached around the margin of the origin of, the muscle. ... The anal canal is the terminal part of the large intestine. ... The coccyx is formed of up to five vertebrae. ... For the record label, see Sacrum Torch. ...


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 Iliococcygeus arises from the ischial spine and from the posterior part of the tendinous arch of the pelvic fascia, and is attached to the coccyx and anococcygeal raphé; it is usually thin, and may fail entirely, or be largely replaced by fibrous tissue. ...


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.


See also

The pelvic floor or pelvic diaphragm is composed of muscle fibers of the levator ani, the coccygeus, and associated connective tissue which span the area underneath the pelvis. ... The Kegel exerciser is a medical device designed to be used by women to exercise the pubococcygeus muscle (also called the PC muscle). ...

External links


  Results from FactBites:
 
The Pelvic Floor (717 words)
All of the muscles are anchored to the bony structures of the pelvis.
The pubococcygeus muscle is a U shaped muscle that arises from the pubic bones, attaches to the lateral walls of the vagina and the rectum, and extends to the posterior portion of the rectum.
The pubococcygeus muscle is attached to the coccyx at the base of the spine and to the pubic bone at the front of the pelvis and therefore this muscle is called the pubococcygeus muscle.
Pubococcygeus muscle - Wikipedia, the free encyclopedia (343 words)
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.
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.
  More results at FactBites »

 

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