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Fatigue describes a state of tiredness (which is not sleepiness), exhaustion [1] or loss of energy. [2] [3] Fatigue (in the medical sense) is sometimes associated with medical conditions including autoimmune disease, organ failure, chronic pain conditions, mood disorders, heart disease, infectious diseases, and post-infectious-disease states. [4] .
- Exhaustion, weariness, tiredness, lethargy, listlessness
- Internal medicine and most other specialities
In materials science, fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Once a fatigue crack has initiated, it grows a small amount with each loading cycle, typically producing striations on some parts of the fracture surface.
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What does fatigue mean?
What is muscle fatigue?
What is physical fatigue?
What causes fatigue?
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters within the central nervous system (CNS; including the brain and spinal cord) which affects exercise performance and muscle function and cannot be explained by peripheral factors that affect m...
Prevalence. About 0.17% to 0.89% (pre-pandemic) [9] Myalgic encephalomyelitis/chronic fatigue syndrome ( ME/CFS) is a debilitating long-term medical condition. People with ME/CFS experience delayed worsening of the illness after minor physical or mental activity, which is the hallmark symptom of the illness. [10]
Muscle fatigue. 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.
Pandemic fatigue is understood as a natural and expected reaction to sustained and unresolved adversity in people's everyday life. Those affected show symptoms of feeling burnt out and tired, while also expressing feelings of demotivation to engage in protection behaviors and seek COVID-19 related information as complacency ...
