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854 published articles
This small muscle arises from the pectin pubis passes vertically and joins the tranversalis fascia. Reference Luschka, H. von (1879) Der Musc. pubo-transversalis des Menschen. Arch. Anat. Physiol. Wissen. Med. 1879:227-231.
This muscle is not constant in humans. In a report of 182 subjects it was present on both sides in 70 subjects, on the right side in 12, on the left side in 8, and absent on both sides in 92. Various sources report that the muscle is present in about 56% of bodies. In one study of 2627 cadavers, bilateral agenesis occured in 54.5%. The muscle was absent in 49.9% of 722 body-halves in Asians, 57% of 4507 body-halves in Whites, and 66.6% of 674 body-halves in Blacks.