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  2. Spasm - Wikipedia

    en.wikipedia.org/wiki/Spasm

    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. A muscle cramp is usually harmless and ceases after a few minutes. It is typically caused by ion imbalance or muscle overload.

  3. Spasmodic dysphonia - Wikipedia

    en.wikipedia.org/wiki/Spasmodic_dysphonia

    Spasmodic dysphonia, also known as laryngeal dystonia, is a disorder in which the muscles that generate a person's voice go into periods of spasm. [1] [2] This results in breaks or interruptions in the voice, often every few sentences, which can make a person difficult to understand. [1]

  4. Spasmodic torticollis - Wikipedia

    en.wikipedia.org/wiki/Spasmodic_torticollis

    Spasmodic torticollis is an extremely painful chronic neurological movement disorder causing the neck to involuntarily turn to the left, right, upwards, and/or downwards. The condition is also referred to as "cervical dystonia ".

  5. What is spasmodic dysphonia, RFK Jr.’s voice condition? - AOL

    www.aol.com/finance/spasmodic-dysphonia-rfk-jr...

    What causes spasmodic dysphonia? The disorder is a neurological problem, the Cleveland Clinic says, that is believed to start in the basal ganglia—a part of the brain that coordinates muscle ...

  6. Hyperkinesia - Wikipedia

    en.wikipedia.org/wiki/Hyperkinesia

    Cervical dystonia (CD) or spasmodic torticollis is characterized by muscle spasms of the head and neck, which may be painful and cause the neck to twist into unusual positions or postures. [7] Writer's cramp and musician's cramp is a task-specific dystonia, meaning that it only occurs when performing certain tasks. Writer's cramp is a ...

  7. Spasticity - Wikipedia

    en.wikipedia.org/wiki/Spasticity

    Spasticity (from Greek spasmos- 'drawing, pulling') is a feature of altered skeletal muscle performance with a combination of paralysis, increased tendon reflex activity, and hypertonia.

  8. Myoclonus - Wikipedia

    en.wikipedia.org/wiki/Myoclonus

    Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular.. Myoclonus (myo-"muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a dis

  9. JFK’s grandson Jack Schlossberg’s online trolling does ‘more ...

    www.aol.com/news/jfk-grandson-jack-schlossberg...

    The Kennedy family’s legacy is being ground into the dirt by its youngest nepo babies, led by Jack Schlossberg, society observers tell The Post. Recent infighting and President Trump’s ...