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True weakness (or neuromuscular) describes a condition where the force exerted by the muscles is less than would be expected, for example muscular dystrophy. Perceived weakness (or non-neuromuscular) describes a condition where a person feels more effort than normal is required to exert a given amount of force but actual muscle strength is ...
Neurasthenia (from the Ancient Greek νεῦρον neuron "nerve" and ἀσθενής asthenés "weak") is a term that was first used as early as 1829 [6] for a mechanical weakness of the nerves. [ clarification needed ] It became a major diagnosis in North America during the late nineteenth and early twentieth centuries after neurologist ...
Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...
Weakness or asthenia is a symptom of a number of different conditions. Weakness may also refer to: Muscle weakness, the inability to exert force with one's muscles; The Weakness, the thirty-seventh book in the Animorphs series "Weakness", a song by Opeth from Damnation "Weakness", a song by The Wanted from The Wanted
This condition was "characterized by complaints of chronic weakness, easy fatigability, and sometimes exhaustion." Another condition added to this edition was the similar asthenic personality , which was " characterized by easy fatigability, low energy level, lack of enthusiasm, marked incapacity for enjoyment, and oversensitivity to physical ...
Muscle fatigue is when muscles that were initially generating a normal amount of force, then experience a declining ability to generate force. It can be a result of vigorous exercise , but abnormal fatigue may be caused by barriers to or interference with the different stages of muscle contraction .
Lethargy is a state of tiredness, sleepiness, weariness, fatigue, sluggishness, or lack of energy. It can be accompanied by depression , decreased motivation, or apathy . Lethargy can be a normal response to inadequate sleep, overexertion, overworking, stress, lack of exercise, improper nutrition, drug abuse, boredom , or a symptom of an ...
overlapping antonyms, a pair of comparatives in which one, but not the other, implies the positive: An example is "better" and "worse". The sentence "x is better than y" does not imply that x is good, but "x is worse than y" implies that x is bad. Other examples are "faster" and "slower" ("fast" is implied but not "slow") and "dirtier" and ...