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  2. Muscle weakness - Wikipedia

    en.wikipedia.org/wiki/Muscle_weakness

    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. It occurs in neuromuscular junction disorders, such as myasthenia gravis. Muscle weakness can also ...

  3. Hypokalemic periodic paralysis - Wikipedia

    en.wikipedia.org/wiki/Hypokalemic_periodic_paralysis

    Hypokalemic periodic paralysis is a condition that causes episodes of extreme muscle weakness typically beginning in childhood or adolescence. Most often, these episodes involve a temporary inability to move muscles in the arms and legs. Attacks cause severe weakness or paralysis that usually lasts from hours to days.

  4. Hypokalemia - Wikipedia

    en.wikipedia.org/wiki/Hypokalemia

    Severe hypokalemia, with serum potassium concentrations of 2.5–3 meq/L (Nl: 3.5–5.0 meq/L), may cause muscle weakness, myalgia, tremor, and muscle cramps (owing to disturbed function of skeletal muscle), and constipation (from disturbed function of smooth muscle). With more severe hypokalemia, flaccid paralysis and hyporeflexia may result.

  5. Weakness - Wikipedia

    en.wikipedia.org/wiki/Weakness

    Myasthenia or myasthaenia (my- from Greek: μυο meaning "muscle" + -asthenia [ἀσθένεια] meaning "weakness"), or simply muscle weakness, is a lack of muscle strength. The 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 ...

  6. Cataplexy - Wikipedia

    en.wikipedia.org/wiki/Cataplexy

    Cataplexy manifests itself as muscular weakness which may range from a barely perceptible slackening of the facial muscles to complete muscle paralysis with postural collapse. [7] Attacks are brief, most lasting from a few seconds to a couple of minutes, and typically involve dropping of the jaw, neck weakness, and/or buckling of the knees.

  7. Periodic paralysis - Wikipedia

    en.wikipedia.org/wiki/Periodic_paralysis

    Periodic paralysis is an autosomal dominant myopathy with considerable variation in penetrance, leading to a spectrum of familial phenotypes (only one parent needs to carry the gene mutation to affect the children, but not all family members who share the gene are affected to the same degree).

  8. List of fictional diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_fictional_diseases

    A mostly psychosomatic disease that can only be contracted by the empress of the Kuja Tribe if she falls in love with a man and denies the feeling. It causes weakness, pain, and eventually death from declining health. The only known cure is for the victim to accept the emotions and pursue the object of her desire.

  9. Hypokinesia - Wikipedia

    en.wikipedia.org/wiki/Hypokinesia

    Hypokinesia is characterized by a partial or complete loss of muscle movement due to a disruption in the basal ganglia. [citation needed] Hypokinesia is a symptom of Parkinson's disease shown as muscle rigidity and an inability to produce movement. It is also associated with mental health disorders and prolonged inactivity due to illness ...