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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 ...
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.
Rare hereditary defects of muscular ion channels and transporters that cause hypokalemic periodic paralysis can precipitate occasional attacks of severe hypokalemia and muscle weakness. These defects cause a heightened sensitivity to the normal changes in potassium produced by catecholamines and/or insulin and/or thyroid hormone, which lead to ...
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.
Muscle weakness is rarely the chief complaint. The likelihood and degree of muscle weakness is correlated with the duration and severity of the hyperthyroid state, and becomes more likely after the age of 40. Muscle strength returns gradually over several months after the hyperthyroidism has been treated. Muscle degeneration
Weakness is symmetric, progressive, and proximal (on or close to the torso), usually affecting the hip girdle and shoulder girdle muscles. [1] [3] Hip weakness can manifest as a waddling gate. [1] Shoulder weakness can manifest as winged scapulas. [1] Muscle contractures, especially of the Achilles tendon, and scoliosis can also occur. [1]
Tropical spastic paraparesis (TSP), is a medical condition that causes weakness, muscle spasms, and sensory disturbance by human T-lymphotropic virus resulting in paraparesis, weakness of the legs. As the name suggests, it is most common in tropical regions , including the Caribbean . [ 4 ]
Mattie J.T. Stepanek (1990-2004), an American poet and peace activist, died aged 13 from dysautonomic mitochondrial myopathy, an inherited disease that causes muscle weakness and impairs heart rate, breathing, blood pressure, and digestion. Predeceased by his older siblings, he was survived by his mother (then aged 44), who was diagnosed in ...