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:
“What knows,—the something over Setebos
That made Him, or He, may be, found and fought,
Worsted, drove off and did to nothing, perchance.
There may be something quiet o’er His head,
Out of His reach, that feels nor joy nor grief,
Since both derive from weakness in some way.”
—Robert Browning (1812–1889)