The sacrumAnatomy Of The Human Pelvis Male Vs Female PelvisIt passes through the greater sciatic notch below the piriformis and, after crossing the back of the ischial spine, enters the perineum through the lesser sciatic notch, accompanied by the internal pudendal artery. The obturator foramen is bounded by the body and rami of the pubic bone and the body and ramus of the ischial bone. We therefore evaluated reliability of the ISS as a tool for diagnosing acetabular retroversion The ischial spine defines the greater and lesser sciatic notches above and below. Although the ischial spine sign (ISS) has been advocated to detect acetabular retroversion, it is unknown whether the sign is valid on anteroposterior (AP) pelvic radiographs with tilted or rotated pelves.
Because the female pelvis is adapted for childbirth, it is wider than the male pelvis, as evidenced by the distance between the anterior superior iliac spines. The greater sciatic notch of the male hip bone is narrower and deeper than the broader notch of females. In general, the bones of the male pelvis are thicker and heavier, adapted for support of the male’s heavier physical build and stronger muscles.
From the tip of the coccyx.The female sacrum is wider, shorter, and less curved, and the sacral promontory projects less into the pelvic cavity, thus giving the female pelvic inlet (pelvic brim) a more rounded or oval shape compared to males. Antero - posterior diameters: Anatomical antero-posterior diameter 11cm. Diameters of pelvic outlet. Acetabular retroversion seems to be a result of a rotation of the entire acetabular complex including the ischial spine 1.laterally the ischial spines. Because of this increased pelvic width, the subpubic angle is larger in females (greater than 70 degrees) than it is in males (less than 70 degrees).The ischial spine sign is a radiographic sign on the AP view of the pelvis, for the diagnosis of acetabular retroversion, which poses a form of pincer morphology and predisposes to femoroacetabular impingement.
In male pelvis, the obturator foramen is round. Male pelvis is designed to support a heavy body with a stronger muscle structure. The coccyx of a male pelvis is projected inwards (less curved anteriorly) and immovable. It pelvis has a narrower sciatic notch. In Male pelvis, ischial tuberosity is longer, close together and more laterally projecting.
Sacrum is shorter, wider and the upper part is less curved, so the sacral promontory is less imposing into the pelvic cavity. The superior pubic ramus is longer than the width of the acetabulum. The sciatic notches are wider and shallower. The acetabula are smaller and look more distinctly foward. The obturator foramina are triangular – oval in shape and smaller in size than the male circular foramina. The cavity of the pelvis is shallow and wider.
The anatomy of the pelvis varies depending on whether you are male or female. The pelvis bones include the hip bones, sacrum and coccyx. The Ischia tuberosities and the acetabula are more wider apart.Difference Male And Female Pelvis In Tabular Form Elements of ComparisonMale pelvis is smaller and narrower with heavier and thicker bones.Female pelvis is bigger and wide with lighter and denser bones.Has a sacrum that is wider, shorter and less curved.Has pelvic inlet that is slightly oval in shape.Ilium of male pelvis is more vertical with more curved iliac crest.The Ilium of female pelvis is less vertical with less curved iliacThe ischial tuberosity is longer, close together and more laterallyThe ischial tuberosity is shorter, farther apart and more mediallyCoccyx of a male pelvis is projected inwards (less curved anteriorly)Female pelvis has a flexible and straighter coccyx.Male pelvis is designed to support a heavy body with a strongerThe female pelvis has been designed for purposes of childbearing andMale pelvic bone is heavier, taller and much thickerPelvic outlet in male pelvis is narrower.Summary What is the main difference between Male and Female Pelvis?The pelvis forms the base of the spine as well as the socket of the hip joint. The spines of the ischia project less inward hence not protruding as much into the pelvic cavity. The muscle attachments are more poorly marked. The pubic arch is wider and more rounded than in male where it is an angle rather than an arch.
On the other hand, female pelvis is wider and lower, making it more suitable for pregnancy and childbirth. It is designed for bipedal movement rather than pregnancy and childbirth.
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