WebLecture-Pelvis-Lec27

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I. Orientation of Pelvis

II. Osteology

III. Joints

IV. Ligaments

V. Pelvic Musculature

VI. Perineum

WebLecture Slide 27

The perspective shown here provides an idealized view of the attachment site of the pelvic diaphragm along a line that skirts roughly from the middle of the pubic symphysis to the ischial spine. The fascia covering the obturator internus muscle above this line is composed of the obturator fascia, the superior and inferior pelvic diaphragmatic fascia (see following discusssion) and the degenerated aponeurosis of levator ani. Fusion of these fascias forms a thickening called the tendinous arch of the levator ani. This arch extends into a broad band stretching from the pubic symphysis to the ischial spine. This extension is the tendinous arch of the pelvic fascia. These arches are visualized as a single, broad thickening of fascia.

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