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Dystonia is a neurological hyperkinetic movement disorder in which sustained or repetitive muscle contractions occur involuntarily, resulting in twisting and repetitive movements or abnormal fixed postures. [3] The movements may resemble a tremor. Dystonia is often intensified or exacerbated by physical activity, and symptoms may progress into ...
Different patterns of muscle weakness or hyperactivity can occur based on the location of the lesion, causing a multitude of neurological symptoms, including spasticity, rigidity, or dystonia. [ 3 ] Spastic hypertonia involves uncontrollable muscle spasms , stiffening or straightening out of muscles, shock-like contractions of all or part of a ...
Muscle weakness is a lack of muscle strength. Its causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy.
Dystonia is a disorder of involuntary muscle contractions that may cause repetitive and/or abnormal movement or postures. Dystonia is a disorder that causes repetitive involuntary muscle movements ...
Focal dystonia, also called focal task-specific dystonia, is a neurological condition that affects a muscle or group of muscles in a specific part of the body during specific activities, causing involuntary muscular contractions and abnormal postures.
DM causes muscle weakness, early onset of cataracts, and myotonia, which is delayed relaxation of muscles after contraction. [5] Cataracts can be either a cortical cataract with a blue dot appearance, or a posterior subcapsular cataract. [6] Other organs affected include the heart, lungs, gastrointestinal tract, skin, and brain. [5]
Torsion dystonia, also known as dystonia musculorum deformans, is a disease characterized by painful muscle contractions resulting in uncontrollable distortions. This specific type of dystonia is frequently found in children, with symptoms starting around the ages of 11 or 12. It commonly begins with contractions in one general area such as an ...
Hypotonia is a state of low muscle tone [1] (the amount of tension or resistance to stretch in a muscle), often involving reduced muscle strength. Hypotonia is not a specific medical disorder, but a potential manifestation of many different diseases and disorders that affect motor nerve control by the brain or muscle strength.