Study design: Report of a rare case of an elderly patient with late onset of Arnold Chiari malformation type I with associated syringomyelia that was successfully treated with foramen magnum ...

To make their case, Russo and Kirk compared the position and orientation of the foramen magnum in 77 mammal species including marsupials, rodents and primates. Their findings indicate that bipedal ...

Chiari malformation, an anomaly of the posterior cranial fossa, also known as Arnold–Chiari malformation, was described in autopsies by Hans Chiari, an Austrian pathologist, in 1891. He defined four ...

Anthropologists confirm a direct link between upright two-legged (bipedal) walking and the position of the foramen magnum, a hole in the base of the skull that transmits the spinal cord. Anthropology ...

March 17 (UPI) --New research by anthropologists at Stony Brook University and the University of Texas at Austin confirm the human skull and bipedalism co-evolved. Scientists have previously linked ...

A 5-month-old boy was referred by a community pediatrician to clinical genetics at our facility for short stature and macrocephaly. His delivery had been normal, although his parents had noticed ...

The evolution of bipedalism in fossil humans can be detected using a key feature of the skull -- a claim that was previously contested but now has been further validated by researchers. The evolution ...