Motor neurone disease

Motor neurones are nerve cells that carry messages from the brain to the muscles through electrical impulses. They control all our voluntary movements. There are two types of motor neurones - upper motor neurones and lower motor neurones. Upper motor neurones run from the brain into the spinal cord. The lower motor neurones run from the spinal cord into the muscles. Motor neurone disease (MND) is an umbrella term used to describe a group of disorders that cause motor neurones to degenerate and die, resulting in muscle weakness and wasting. There are four main types of MND. The firs...