MUSCLE PHYSIOLOGY

Detailed explanation-1: -Myoclonus is an uncontrollable muscle movement that’s sudden and brief. This can happen for a wide range of reasons. Many causes are normal and harmless, but myoclonus can also be a symptom of serious nervous system conditions.

Detailed explanation-2: -Muscle spasms can occur due to several causes, including a lack of nutrients, muscular tension, overuse of the muscle, increased demand of blood flow, or various underlying medical conditions.

Detailed explanation-3: -Some causes of acquired dystonia include birth injury (including hypoxia, a lack of oxygen to the brain, and neonatal brain hemorrhage), certain infections, reactions to certain drugs, heavy metal or carbon monoxide poisoning, trauma, or stroke.

Detailed explanation-4: -Dystonia is a neurological movement disorder. People with dystonia experience involuntary muscle spasms and contractions. Movements are often repetitive and cause unusual, awkward and sometimes painful postures.