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  2. Fatigue - Wikipedia

    en.wikipedia.org/wiki/Fatigue

    Physical fatigue, or muscle fatigue, is the temporary physical inability of muscles to perform optimally. The onset of muscle fatigue during physical activity is gradual, and depends upon an individual's level of physical fitness – other factors include sleep deprivation and overall health. [131]

  3. Effects of fatigue on safety - Wikipedia

    en.wikipedia.org/wiki/Effects_of_fatigue_on_safety

    Fatigue can be both physical and mental. Physical fatigue is the inability to continue functioning at the level of one's normal abilities; a person with physical fatigue cannot lift as heavy a box or walk as far as he could if not fatigued. [3] [4] [5] Mental fatigue, on the other hand, rather manifests in sleepiness or slowness. A person with ...

  4. Central nervous system fatigue - Wikipedia

    en.wikipedia.org/wiki/Central_Nervous_System_Fatigue

    Central nervous system fatigue is a key component in preventing peripheral muscle injury. [28] The brain has numerous receptors, such as osmoreceptors, to track dehydration, nutrition, and body temperature. With that information as well as peripheral muscle fatigue information, the brain can reduce the quantity of motor commands sent from the ...

  5. Physical fitness - Wikipedia

    en.wikipedia.org/wiki/Physical_fitness

    Photo shows Rich Froning Jr., four-time winner of "Fittest Man on Earth" title. Physical fitness is a state of health and well-being and, more specifically, the ability to perform aspects of sports, occupations, and daily activities. Physical fitness is generally achieved through proper nutrition, [1] moderate-vigorous physical exercise, [2 ...

  6. Muscle fatigue - Wikipedia

    en.wikipedia.org/wiki/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. There are two main causes of muscle fatigue ...

  7. Muscle weakness - Wikipedia

    en.wikipedia.org/wiki/Muscle_weakness

    Peripheral muscle fatigue during physical work is an inability for the body to supply sufficient energy or other metabolites to the contracting muscles to meet the increased energy demand. This is the most common case of physical fatigue—affecting a national [where?] average of 72% of adults in the work force in 2002. This causes contractile ...

  8. Overtraining - Wikipedia

    en.wikipedia.org/wiki/Overtraining

    Overtraining can be described as a point where a person may have a decrease in performance and plateauing as a result of failure to consistently perform at a certain level or training load; a load which exceeds their recovery capacity. [2] People who are overtrained cease making progress, and can even begin to lose strength and fitness.

  9. Emotional exhaustion - Wikipedia

    en.wikipedia.org/wiki/Emotional_exhaustion

    Emotional exhaustion is symptom of burnout, [1] a chronic state of physical and emotional depletion that results from excessive work or personal demands, or continuous stress. [2] It describes a feeling of being emotionally overextended and exhausted by one's work. It is manifested by both physical fatigue and a sense of feeling psychologically ...

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