The lower leg is a major anatomical part of the skeletal system. Together with the upper leg, it forms the lower extremity. It lies between the knee and the ankle, while the upper leg lies between the ...

Tsukuba, Japan—Humans are among the most capable long-distance runners in the animal kingdom. However, body shape and composition vary individually, reflecting adaptations to common movement patterns.

Human fingers and toes do not grow outward; instead, they form from within a larger foundational bud, as intervening cells recede to reveal the digits beneath. This is among many processes captured ...