LOS ANGELES, April 22 (Xinhua) -- A close examination of 3.6-million- year old hominin footprints discovered in Laetoli, Tanzania, suggests human ancestors evolved the hallmark trait of extended leg, ...

Despite a penchant for hanging out in trees, human ancestors living 3.6 million years ago in what’s now Tanzania extended their legs to stride much like people today do, a new study finds. If so, ...

More than three million years ago, the ancestors of modern humans were still spending a considerable amount of their lives in trees, but something new was happening. David Raichlen, an assistant ...

To illustrate this process, consider the dysfunction of the right knee of the young man (SR) with cerebral palsy spastic diplegia (Video 3). One can readily appreciate from the video presentation that ...

In the first clip, the boy appears to drag his feet as he walks, while his knees — particularly the left one — stay bent throughout his steps. In the second clip, his knees remain bowed inward. But ...

The wearable technology, akin to motorized leg braces, help children with physical disabilities extend their knees as they walk. In this webinar, learn how next-gen CAR-T design targets solid tumors ...

Watch a bird's odd, bent-legged gait and you'll see an evolutionary adaptation born millions of years ago in its dinosaur ancestors while they were still confined to the ground. The crouched stance ...