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WebLecture-Pelvis-Lec28   (Site not responding. Last check: 2007-10-01) The second group includes the levator ani and coccygeus muscles which together from the pelvic diaphragm. The coccygeus muscle complete the pelvic diaphragm closing the space from ischial spine to coccyx. Coccygeus then is not part of levator ani, but it is part of the pelvic diagphragm. oac.med.jhmi.edu /weblec/WebLec01/lec28.html   (328 words)

perianal-fistulas The rectococcygeus muscle is composed of external fibres from each side of the rectum with the left and right portions fusing at the level of the 3rd coccygeal vertebra then inserting on the 5th and 6th coccygeal vertebrae. The coccygeus and levator ani muscles cross the rectum laterally tending to compress the tube, while the rectococcygeus shortens the tube. In the bitch the equivalent 'pelvic floor' muscles are the levator ani and coccygeus muscles both of which attach to the tail base, and it is possible that these muscles are atrophied and/or damaged in docked breeds reducing urethral resistance. members.tripod.com /~perianal-fistulas/Tail.html   (1194 words)

WebLecture-Pelvis-Lec32   (Site not responding. Last check: 2007-10-01) The coccygeus muscle, which together with the levator ani makes up the pelvic diaphragm, lies on the internal surface of the sacrospinous ligament. Consequently, during the gluteal dissection, the sacrospinous ligament can be visualized from this perspective, but not the coccygeus as it lies deep to the ligament. The coccygeus muscle is innervated by sacral nerves 3 and 4. oac.med.jhmi.edu /weblec/weblec01/lec32.html   (192 words)

Search Results for "Coccygeus" Sacrales et Coccygeus) The anterior divisions of the sacral and coccygeal nerves (rami anteriores) form the sacral and pudendal plexuses. 9 Relations.—It is in relation, anteriorly, with the Coccygeus muscle, to which it is closely connected; posteriorly, it is covered... ...of the greater sciatic foramen, and emerges from the pelvis between the Piriformis and Coccygeus; it then crosses the ischial spine, and enters the perineum through... www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col107%amp;query=Coccygeus   (229 words)

Pelvic Floor Note that superiorly it is suspended from the tendinous arch of the internal surface of the obturator internus, which spans from the pubic symphysis to the posterior inferior iliac spine (where the coccygeus also arises). The coccygeus arises from the posterior inferior ischial spine and the sacrospinous ligament. The space anterior of the ischial tuberosities created by the relationship of the (inferior) urogenital triangle and the (superior) pelvic floor is called the ischio-rectal fossa. homepage.mac.com /jefflinn/anatomy/pelvicfloor.html   (774 words)

PERINEAL HERNIA   (Site not responding. Last check: 2007-10-01) One study which supports this theory demonstrated that dogs with perineal hernias (castrated and non-castrated) had lower numbers of androgen receptors in their levator ani and coccygeus muscles than did normal castrated and intact male dogs. During dissection, the contents of the hernia are identified and replaced into the pelvic or abdominal cavity. The muscle is sutured medially to the external anal sphincter and laterally to the levator ani and coccygeus muscles. www.vetsoftware.com /NAVC_surgery04.htm   (1658 words)

Medical Dictionary: Plexus coccygeus - WrongDiagnosis.com Plexus coccygeus: a small plexus formed by the fifth sacral and coccygeal nerves Terms that may be interchangeable with Plexus coccygeus: The following list attempts to classify Plexus coccygeus into categories where each line is subset of the next. www.wrongdiagnosis.com /medical/plexus_coccygeus.htm   (194 words)

[No title]   (Site not responding. Last check: 2007-10-01) When these muscles weaken as a result of probable hormonal imbalance and persistent pressure from straining, the rectum begins to displace into that space gradually forming a "flexure" of the rectum and more straining. The internal obturator muscle is elevated from the pubis and "flipped" into the space for closure. This muscle is circumferentially sutured to the adjacent external anal sphincter and remnants of the lateral coccygeus. www.vetmed.auburn.edu /~hendera/guide/tst3-8s.htm   (411 words)

NEL, Evidence for a neuroimmunomodulatory and a hematopoietic role of the Luschka’s coccygeal body   (Site not responding. Last check: 2007-10-01) It is present at the coccyx tip and corresponds to a complex anastomosis between the median sacral artery and vein, and it is innervated by sympathetic fibers. According to our previous work, which demonstrated that hematopoiesis is under a noradrenergic control and based on the presence of epithelioid cells and sympathetic innervation, we assumed that the coccygeal gland might influence hematopoiesis via neuroendocrine or neural mechanisms. Therefore, the present study was undertaken to analyze the effect of glomus coccygeus on hematopoiesis. www.nel.edu /21_5/2orig5_Conti.htm   (350 words)

coccyx tailbone evolution baby born with tail (1987:186) asserted that the coccygeus muscle and sacrospinous ligament which attach to the coccyx are vestiges of a The coccygeus muscle also helps to support the posterior organs of the pelvic floor, especially during blocked forced expiration, as in elimination. The coccygeus muscle consists of the levator aid and the prirformis which enclose the back part of the outlet of the pelvis. www.angelfire.com /mi/dinosaurs/tailbone.html   (2241 words)

IV. Myology. 6e. The Muscles and Fasciæ of the Pelvis. Gray, Henry. 1918. Anatomy of the Human Body. (via ...   (Site not responding. Last check: 2007-10-01) The muscles within the pelvis may be divided into two groups: (1) the Obturator internus and the Piriformis, which are muscles of the lower extremity, and will be described with these (pages 476 and 477); (2) the Levator ani and the Coccygeus, which together form the pelvic diaphragm and are associated with the pelvic viscera. It assists the Levator ani and Piriformis in closing in the back part of the outlet of the pelvis. —The Coccygeus is supplied by a branch from the fourth and fifth sacral nerves. www.bartleby.com.cob-web.org:8888 /107/119.html   (1653 words)

Quantitative Analysis of Uterosacral Ligament Origin and Insertion Points by Magnetic Resonance Imaging -- Umek et al. ... Points of insertion (fl arrowheads) are the sacrum in panel a, the coccygeus muscle in panel b, the piriformis muscle in panel c, and the ischial spine (IS) in panel d. Uterosacral insertions are on the coccygeus muscle/sacrospinous ligament complex in panels a–c and f–h, near the ischial spine in panel d, and on the sacrum in panel e. Note that the uterosacral ligaments of the woman on the top row (panel c) are thicker than those of the woman on the bottom row (panel g). acogjnl.highwire.org /cgi/content/full/103/3/447   (2303 words)

Acidic and basic troponin T isoforms in mature fast-twitch skeletal muscle and effect on contractility -- Ogut et al. ... Fiber bundles were dissected from the pectoralis major and levator coccygeus muscles of adult White Leghorn chickens after of force and stiffness are significantly higher for pectoralis than for levator coccygeus fibers. Pooled results and Hill fits from response of muscle stiffness to free Ca for pectoralis major and levator coccygeus are shown. ajpcell.physiology.org /cgi/content/full/276/5/C1162   (5362 words)

Sacral Plexus, Pelvic Diaphragm coccygeus and levator ani combined form the pelvic diaphragm the combination of puborectalis, pubococcygeus & iliococcygeus is the levator ani m.; coccygeus and levator ani combined form the pelvic diaphragm nerve to coccygeus enters the muscle on its pelvic surface anatomy.uams.edu /anatomyhtml/pelvicwall.html   (1993 words)

Technique It's true that the six muscles in the butt deep to the gluteus maximus function as lateral rotators of the femur when the pelvis is fixed and the femur movable, but what a limited view of their function! Taking the left-hand sketch first, we can see how the piriformis (1) and the coccygeus (2) help to bring and keep the sacrum (the very bottom of the spine) close to the femur and the hip bone, respectively. The advantage of the view that we have here is that it is so clear how both of these muscles pull forward on the sacrum, creating a posterior tilt of the pelvis (relative to the femur) and counternutation (extension) in the sacrum (relative to the hip bone). www.amtamassage.org /journal/sp_01_journal/illustrations2.htm   (2117 words)

MR-Based Three-Dimensional Modeling of the Normal Pelvic Floor in Women The data were first segmentedinto anatomically significant components including bones, bladder,urethra, vagina, uterus, rectum, obturator internus, and thethree major components of the levator ani (puborectalis, iliococcygeus,and coccygeus) using manual editing (Figure 1A,1B). Axial T2-weighted MR image slightly cephalad to A shows coccygeus (arrow) and iliococcygeus (arrowhead) muscles, which must be identified on each slice. volume of the combined coccygeus, puborectalis, and iliococcygeuswas 46.6 ± 5.9 ml (range, 39.4-57.7 ml). www.spl.harvard.edu:8000 /pages/papers/fielding/pelvic_floor.html   (2314 words)

Three Case Studies: Coccydynia And The Orthopaedic Rectal Examination Of primary concern here are the coccygeus, piriformis and gemellus muscles as well as the neighbouring ligaments, the levator ani and the median perineal tendinous raphe. This relationship allows spasm or inflammation of the piriform and gemellus muscles to irritate it and produce sciatica. The function of the coccygeus muscles and the other components of the pelvic floor is support of the pelvic organs and anchorage for the mechanical function of the low back and hip joints. www.coccyx.org /medabs/polsdor.htm   (2520 words)

Abdomen - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-01) The lower extremity covers the inner surface of the bony pelvis. The Levator ani and Coccygeus are located on either side. The diaphragm forms the upper extremity and acts as a dome over the abdomen extending to the upper border of the fifth rib. en.wikipedia.org.cob-web.org:8888 /wiki/Abdomen   (441 words)

Medical Dictionary: Nervus coccygeus - WrongDiagnosis.com Nervus coccygeus: the lowest pair of spinal nerves Terms that may be interchangeable with Nervus coccygeus: The following list attempts to classify Nervus coccygeus into categories where each line is subset of the next. www.wrongdiagnosis.com /medical/nervus_coccygeus.htm   (189 words)

Diaphragm - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-01) Urogenital diaphragm, a layer of the pelvis separating deep perineal sac from the upper pelvis Pelvic diaphragm, a pelvic muscle consisting of the Levator ani and the Coccygeus A number of structures that act as diaphragms, including the iris and the eardrum en.wikipedia.org.cob-web.org:8888 /wiki/Diaphragm   (229 words)

Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of ...   (Site not responding. Last check: 2007-10-01) Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles, Coccygeus, Curvator Coccygeus Accessorius Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System, Alphabetical Listing of Muscles, Coccygeus There may be variations in treatment that your physician may recommend based on individual facts and circumstances. www.anatomyatlases.org /AnatomicVariants/Images/0161.shtml   (189 words)

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