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  2. 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. It is also colloquially referred to as an unusual "tightness", stiffness, or "pull" of muscles.

  3. Spastic (word) - Wikipedia

    en.wikipedia.org/wiki/Spastic_(word)

    In medicine, the adjective spastic refers to an alteration in muscle tone affected by the medical condition spasticity, which is a well-known symptomatic phenomenon seen in patients with a wide range of central neurological disorders, including spinal cord injury, cerebral palsy (for example, spastic diplegia), stroke, amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS), [1] as ...

  4. Spasm - Wikipedia

    en.wikipedia.org/wiki/Spasm

    A spasm is a sudden involuntary contraction of a muscle, [1] a group of muscles, or a hollow organ, such as the bladder. 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 ...

  5. Hypertonia - Wikipedia

    en.wikipedia.org/wiki/Hypertonia

    Hypertonia is a term sometimes used synonymously with spasticity and rigidity in the literature surrounding damage to the central nervous system, namely upper motor neuron lesions. [1] Impaired ability of damaged motor neurons to regulate descending pathways gives rise to disordered spinal reflexes , increased excitability of muscle spindles ...

  6. Spasmodic dysphonia - Wikipedia

    en.wikipedia.org/wiki/Spasmodic_dysphonia

    Abductor spasmodic dysphonia (ABSD) is the second most common type, affecting around 13% of individuals with SD. [17] In ABSD, sudden involuntary muscle movements or spasms cause the vocal folds to open. [31] As the name suggests, these spasms occur in the single abductor muscle of the vocal folds, called the posterior cricoarytenoid. The vocal ...

  7. Spastic diplegia - Wikipedia

    en.wikipedia.org/wiki/Spastic_diplegia

    Spastic diplegia is a form of cerebral palsy (CP) that primarily affects the legs, with possible considerable asymmetry between the two sides. It is a chronic neuromuscular condition of hypertonia and spasticity in the muscles of the lower extremities of the human body, manifested as an especially high and constant "tightness" or "stiffness", [1] [2] usually in the legs, hips and pelvis.

  8. 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 ...

  9. Muscle relaxant - Wikipedia

    en.wikipedia.org/wiki/Muscle_relaxant

    Spasmolytics, also known as "centrally acting" muscle relaxant, are used to alleviate musculoskeletal pain and spasms and to reduce spasticity in a variety of neurological conditions. While both neuromuscular blockers and spasmolytics are often grouped together as muscle relaxant, [ 1 ] [ 2 ] the term is commonly used to refer to spasmolytics only.

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