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.

Perfusion of an amputated limb with saline and a fluorescent agent (i.e., fluorophore) administered via a dominant artery. The saline and targeted fluorophore entered via the artery, the limb was ...

Could humans be capable of growing new limbs? Scientists are trying to figure that out with the aid of an unexpected resource: salamanders. Research shows that the amphibians' regeneration abilities ...

Joint flexibility is an important measure of physical fitness in humans, especially when it comes to determining athletic performance. It is responsible for protecting the muscle-tendon unit under ...

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 ...

A passive prosthetic leg, says 23-year-old amputee Craig Hutto, is always a step behind. But a new leg built by researchers at Vanderbilt University "is only a split-second behind." Hutto, who is 6 ...

Sprinting is a motor task for humans using maximum physical features and demands considerable training. In this regard, an understanding of the leg morphology of sprinters from a biomechanical ...