Tulane University students have discovered what appears to be a new muscle attachment in some humans.
The small muscular head is found deep in the pelvis, near the front of the hip, where it connects with the larger psoas muscle, according to a Sept. 28 release from the New Orleans-based university. The attachment was dubbed the iliac attachment of the psoas major.
The students studied 200 additional donated specimens and found the muscle was present in 28% of the sides. The findings were outlined July 29 in Clinical Anatomy.
“To our knowledge, this is the first report of an iliac attachment of the psoas major in humans,” said R. Shane Tubbs, PhD, a professor of neurosurgery and surgical anatomy director at Tulane, said in the release.
The attachment may help steady the psoas muscle and could be important for surgeons operating in and around the hip. The research could also have implications for people with diseases, injuries, tendon irritation or snapping hip syndrome, according to the release.
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