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The subpubic angle (or pubic angle) is the angle in the human body as the apex of the pubic arch, formed by the convergence of the inferior rami of the ischium and pubis on either side. The subpubic angle is important in forensic anthropology, in determining the sex of someone from skeletal remains. A subpubic angle of 50–82 degrees indicates ...
A 2015 systematic review of 15,521 men in which the subjects were measured by health professionals showed that the average length of an erect human penis is 13.12 cm (5.17 inches) long, while the average circumference of an erect human penis is 11.66 cm (4.59 inches).
The pubic bone is made up of a body, superior ramus, and inferior ramus (Latin: branch). The left and right coxal bones join at the pubic symphysis. It is covered by a layer of fat – the mons pubis. The pubis is the lower limit of the suprapubic region. In the female, the pubis is anterior to the urethral sponge.
The angle between the inferior pubic rami is acute (70 degrees) in men, but obtuse (90–100 degrees) in women. Accordingly, the angle is called subpubic angle in men and pubic arch in women. [10] Additionally, the bones forming the angle/arch are more concave in females but straight in males. [13]
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The urogenital triangle is the area bound by a triangle with one vertex at the pubic symphysis and the two other vertices at the iliac tuberosities of the pelvic bone.
Medial to the pubic tubercle is the pubic crest, which extends from this process to the medial end of the pubic bone. It gives attachment to the conjoint tendon , the rectus abdominis , the abdominal external oblique muscle , and the pyramidalis muscle .
The pelvis must be orientated such that the observer is looking at the dorsal aspect of the pubis and ischio-pubic ramus. Phenice describes the subpubic concavity as ‘a lateral recurve which occurs in the ischio-pubic ramus… a short distance below the lower margin of the pubic symphysis.’ This is also only found in female examples.