Walking and running upright on two feet as humans do requires some specialized adaptations of the skeleton and muscles. Modern human anatomy has built on the strengths and the weaknesses of a body ...

But for runners, there’s one often overlooked area that deserves some love: the muscles in your feet, specifically, the quadratus plantae. This small muscle is one of 20 in the feet that work in ...

afarensis' small braincases and relatively large teeth and chewing muscles are ... exhibit human-like characteristics. They ranged in height from three and a half feet to five feet and walked ...