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During elbow extension, however, the oblique posterior part makes contact with the trochlear notch on the ulna so that this obliquity forces the main axis of the forearm to form a small angle with that of the upper arm. This angle is known as the carrying angle and is more prominent in women than in men. [3]
The carrying angle permits the arm to be swung without contacting the hips. Women on average have smaller shoulders and wider hips than men, which tends to produce a larger carrying angle (i.e., larger deviation from a straight line than that in men). There is, however, extensive overlap in the carrying angle between individual men and women ...
The sacrum in females is shorter and wider, and also directed more toward the rear (see image). [10] This sometimes affects their walking style, resulting in hip sway. [11] The upper limb in females have an outward angulation (carrying angle) at elbow level to accommodate the wider pelvis. After puberty, hips are generally wider than shoulders.
A study found that dogs may prefer, when they are off the leash and the Earth's magnetic field is calm, to urinate and defecate with their bodies aligned on a north-south axis. Dogs are sensitive to changes in the Earth's magnetic field polarity. [45] No significant differences between males and females in angular preferences were found.
The human brain. Differences in male and female brain size are relative to body size. [83] Early research into the differences between male and female brains showed that male brains are, on average, larger than female brains. This research was frequently cited to support the assertion that women are less intelligent than men.
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