Weakness 疲倦
(重定向自Weaker)
- "Asthenia" redirects here. The tortrix moth genus is considered a junior synonym of Epinotia.
Weakness or asthenia is a symptom of a number of different conditions. The causes are many and can be divided into conditions that have 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.