Muscle weakness or myasthenia (my- from Greek μυο meaning "muscle" + -asthenia ἀσθένεια meaning "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 skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy. It occurs in neuromuscular junction disorders, such as myasthenia gravis.
Read more about Muscle Weakness: True Vs Perceived, Grading, Proximal or Distal, Differential Diagnosis, Pathophysiology
Famous quotes containing the word weakness:
“It is as often a weakness in the aged to dictate to the young, as it is folly in the young to slight the warnings of the aged.”
—H., U.S. women’s magazine contributor. American Ladies Magazine, pp. 230-3 (May 1828)