Doctors often separate the types of myoclonus based on their causes, which helps determine treatment. For people with Huntington disease, if the movements are severe and affect the person's life, medicines such as tetrabenazine may help control them. Excitement and fatigue can make chorea worse. sudden. The following causes may result in involuntary movements that are usually not serious. Involuntary movements compose a group of uncontrolled movements that may manifest as a tremor, tic, myoclonic jerk, chorea, athetosis, dystonia or hemiballism. Learn more. A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment. jolt definition: 1. to (cause something or someone to) move suddenly and violently: 2. to shock someone in order toâ¦. Find another word for movement. Recognition of involuntary movements associated with hyperkinetic movement disorders is an important diagnostic skill. 14 synonyms of movement from the Merriam-Webster Thesaurus, plus 29 related words, definitions, and antonyms. Hypnic jerks are one form of involuntary muscle twitches called myoclonus. This type of myoclonus occurs in normal, healthy people and rarely needs treatment. We've listed several different involuntary movement causes here, in approximate order from most to least common: Physical involuntary movement causes. Causes. Myoclonus may be caused by a variety of underlying problems. Avoid sudden movements when possible. If the movements are due to a medicine, the medicine should be stopped, if possible. Just after falling asleep, you may wake with a sudden jerking movement. Sitting down or lying down as soon as you start to feel dizzy. If the movements are due to a disease, the disorder should be treated. SUDDEN MOVEMENT 'SUDDEN MOVEMENT' is a 14 letter phrase starting with S and ending with T Crossword clues for 'SUDDEN MOVEMENT' a sudden muscle spasm; especially one caused by a nervous condition make an uncontrolled, short, jerky motion; "his face is twitching" Other crossword clues with similar answers to 'Sudden jerking movement' What causes these so-called sleep starts? all of a sudden - Is the grammatically correct version; do not say "all of the sudden." Movement: the act or an instance of changing position. Types of myoclonus include the following categories. Involuntary movements causes. Find more ways to say sudden, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. What does spasmodic mean? vicissitude - A sudden or ⦠coup de main - A sudden and unexpected movement or attack. Use a stability aid like a cane while walking if necessary. Physiological myoclonus. Many conditions can cause the symptom of involuntary movements. The definition of spasmodic is something relating to a spasm or a sudden movement. Another word for sudden. Learn about hypnagogic jerks, or hypnic jerks, including the most common symptoms, and whether further evaluation and treatment may be necessary. sudden - From Latin sub-, "up to," and ire, "come, go," making subitus, "come or go up stealthily."