What is myoclonus? Myoclonus describes a symptom and not a diagnosis of a disease. It refers to sudden, involuntary jerking of a muscle or group of muscles. Myoclonic twitches or jerks usually are caused by sudden muscle contractions, called positive myoclonus, or by muscle relaxation, called negative myoclonus. Myoclonic jerks may occur alone or in sequence, in a pattern or without pattern.
https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets/Myoclonus-Fact-Sheet
Recognition of involuntary movements associated with hyperkinetic movement disorders is an important diagnostic skill. This page describes the diagnosis of the major categories of hyperkinetic movement disorders. Tremor: Rhythmic oscillations caused by intermittent muscle contractions.
http://stanfordmedicine25.stanford.edu/the25/im.html
Recognition of involuntary movements associated with hyperkinetic movement disorders is an important diagnostic skill. This page describes the diagnosis of the major categories of hyperkinetic movement disorders. General Definitions. Tremor: Rhythmic oscillations caused by intermittent muscle contractions. Tics: Paroxysmal, stereotyped muscle contractions, commonly suppressible, might be simple (single muscle group) or complex.
http://stanfordmedicine25.stanford.edu/the25/im.html
Localized involuntary muscle movements: The symptoms of localized dystonia are limited to individual muscle groups. The most common forms of localized dystonia are torticollis (painful neck spasms), and scoliosis (abnormal curvature of the spine).
http://www.brainandnerves.com/uk/Functional-disorders/Involuntary-muscle-movements---Dystonia)/
In children, some of the most common causes of involuntary movements are hypoxia, or insufficient oxygen at the time of birth, kernicterus, which is caused by an excess pigment produced by the liver called bilirubin, or cerebral palsy, which is a neurological disorder that affects the body’s movement and muscle function.
http://www.healthline.com/symptom/involuntary-movements
These movements can be anything from quick, jerking tics to longer tremors and seizures. You can experience these movements in almost any part of the body,... Read more. An involuntary movement occurs when you move your body in an uncontrollable and unintended way.
http://www.healthline.com/symptom/involuntary-movements
In adults, some of the most common causes of involuntary movements include: drug use. the use of neuroleptic medications that are prescribed for psychiatric disorders over a long period. tumors. brain injury. strokes. degenerative disorders, such as Parkinson’s disease. seizure disorders.
http://www.healthline.com/symptom/involuntary-movements
For the British literary movement, see Spasmodic poets. A spasm is a sudden involuntary contraction of a muscle, a group of muscles, or a hollow organ such as the heart. A spasmodic muscle contraction may be caused by many medical conditions, including dystonia. Most commonly, it is a muscle cramp which is accompanied by a sudden burst of pain.
https://en.wikipedia.org/wiki/Spasm
Definition and causes of Dystonia. Dystonia means wrong tension (dys = wrong tonus = tension) and is a state of sustained muscle contractions in certain muscle groups or repetitive, involuntary movements with painful spasms and fixed postures. It can lead to an abnormal body position and problems with walking or performing other voluntary movements.
http://www.brainandnerves.com/uk/Functional-disorders/Involuntary-muscle-movements---Dystonia)/
general term describes a group of more than 30 genetic diseases by progressive weakness and degeneration of skeletal muscles that control movement w/out affecting nervous system.
https://quizlet.com/5609285/chap-4-muscular-pathology-flash-cards/
which term describes the sudden, involuntary jerking of a muscle or group of muscles?
Myoclonus describes the sudden, involuntary jerking of a muscle or group of muscles. The term myoclonus describes the sudden, involuntary jerking of a muscle or group of muscles.