I first started training at the Beast Fingers Climbing gym in Denver last fall. The gym is run by Aman Anderson, a climbing coach and the inventor of the Grippul and Grippul Two. Intrigued by his ...

A prototype 3D-printed myoelectric prosthetic hand developed in Japan successfully passed a test by an upper-arm amputee, performing a series of intricate finger motions with more than 90% accuracy.

There are many ways to stretch and strengthen the hands and wrists. Exercises like wrist rotations, finger stretches, and stress ball squeezes may help increase mobility, improve strength, and lower ...