Amyotrophic lateral sclerosis (ALS) is a condition that causes the degeneration of the nerve cells in the nervous system, affecting certain neurons in the spinal cord. ALS is a fatal disease that ...

Incomplete spinal cord injuries disrupt motor unit coordination. The nervous system struggles to sync muscles at low effort and overcompensates with rigid signals at high effort.

Spinal and bulbar muscular atrophy (SBMA), also known as Kennedy’s disease, is a rare genetic disorder. It affects certain nerve cells in the spinal cord and the brainstem. “Bulbar” refers to a ...

Amyotrophic lateral sclerosis (ALS) is a progressive disease of the nervous system. It affects nerve cells in the brain and spinal cord called motor neurons. Motor neurons control muscle movement and ...

A 39-year-old man who had had been completely paralyzed for four years was able to voluntarily control his leg muscles and take thousands of steps in a "robotic exoskeleton" device during five days of ...