When a person loses a leg above the knee, the nerves that once moved that leg don’t simply go quiet. They keep firing.

Look, no one wants to lose a finger, but it happens more often than you'd think. And when it does, the stakes are naturally high, since fingers and thumbs are critical for nearly every task we do.

In A Nutshell For the first time in humans, scientists decoded intended movements across all three joints of a missing leg, including knee, ankle, and toes, directly from nerve signals. Tiny electrode ...

Waltham — August 7, 2025 — For patients with amputations affecting the hand, toe transfer surgery provides an alternative to replanting the amputated digits and may lead to greater improvement in hand ...