![]() Greater hip width in women influences the position of the femurs, which are often more angled than in men, giving them a slight X shape.Ī wide pelvis with a significant angle of the femur can provoke genu valgum, accentuated all the more by the hyperlaxity toward which women tend. As the pelvic ring is wider, the acetabula (the fossa in which the heads of the femurs lodge) are farther apart, which increases the distance between the greater trochanters and consequently the width of the hips. The sacrum of the female is wider and the pelvic ring is wider and more circular to facilitate the passage of the newborn. The female pelvis is adapted for gestation: it is not as high and is proportionately wider than that of the male. The most important difference between the male and female skeletons is found at the level of the pelvis. If the waist in women is longer and smaller, it is because the thorax is more constricted at the base and the pelvis is generally not as high. The lumbar curve is greater in women and the pelvis is tilted anteriorly (anteversion), which makes for the sway-backed appearance often found in women. Proportionately, the skeletal width of the shoulders is the same as in the male, but the larger muscular development of the latter makes it seem wider. ![]() (The more highly developed musculature in men marks the skeleton more.) The female thoracic cage is generally more rounded and not as big as in the male. Generally speaking, the female skeleton is not as massive it is smoother and more delicate with impressions-hollows or bumps-that serve as muscle insertions or provide passage for tendons, which are less accentuated. The morphological differences between women and men are the result of differences in the volume and proportion of similar anatomical features. This is an excerpt from Women's Strength Training Anatomy by Frederic Delavier. ![]()
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