Split hand syndrome is a potential sign of amyotrophic lateral sclerosis (ALS). This means that some of the muscles in the hand are weak and thin (atrophied), while others are less affected.

The loss of muscle mass, or muscle atrophy, is a relatively common condition in today’s aging and increasingly sedentary societies. While the disuse of muscles is the most frequent catalyst for muscle ...

When a limb is rendered immobile for long periods of time, its muscles will inevitably begin to atrophy. A new implant could help keep that from happening, however, by mechanically stretching and ...

This image from video provided by UPMC and University of Pittsburgh Health Sciences shows Doug McCullough, who has spinal muscular atrophy, during tests of experimental spinal cord stimulation to ...

Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...