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Topic: Fatigue (physical)

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  Fatigue (physical) - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-21)
The development of fatigue is characterised by an initial, disproportionate increase in the perception of effort required to maintain or increase the work output before the inability to exert the required force is experienced (Cafarelli, 1988; Garner et al., 1990; Jones et al., 1983; Matthews, 1982).
Central Fatigue The central component to fatigue is generally described in terms of a reduction in the neural drive or motor command to working muscles that results in a decline in the force output (Gandevia, 2001; Kay et al., 2001; Kent-Braun, 1999; Vandewalle et al., 1991).
Peripheral Fatigue Fatigue during physical work is usually modelled from the peripheral context of an inadequate capacity to supply metabolic substrate to the contracting muscles to meet the increased energy demand.
en.wikipedia.org /wiki/Fatigue_(physical)   (1279 words)

Physically, fatigue is characterized by a profound lack of energy, feelings of muscle weakness, and slowed movements or central nervous system reactions.
Fatigue may be the result of one or more environmental causes such as inadequate rest, improper diet, work and home stressors, or poor physical conditioning, or one symptom of a chronic medical condition or disease process in the body.
Chronic fatigue syndrome (sometimes called chronic fatigue immune deficiency syndrome), is a debilitating illness that causes overwhelming exhaustion and a constellation of neurological and immunological symptoms.
www.healthatoz.com /healthatoz/Atoz/ency/fatigue.jsp   (2249 words)

 MedlinePlus Medical Encyclopedia: Fatigue
Fatigue is a feeling of weariness, tiredness, or lack of energy.
Fatigue can be a normal and important response to physical exertion, emotional stress, boredom, or lack of sleep.
Because fatigue is a common complaint, sometimes a potentially serious cause may be overlooked.
www.nlm.nih.gov /medlineplus/ency/article/003088.htm   (904 words)

 AEGiS-GMHC: HIV/AIDS-Related Fatigue
Fatigue, generally measured by patients' responses to questions concerning reductions in daily activity, is one of the most prevalent and most undertreated problems experienced by patients with HIV infection and AIDS.
Fatigue appeared to be a treatment-related side effect in 5.4% of respondents with AIDS, 6.2% of those with ARC and 4.3% of those with asymptomatic HIV.
Physical symptoms, drug side effects, sleep disturbances, malnutrition and wasting, AIDS dementia, hormonal insufficiency (due to low adrenal gland output, for example) and muscular weakness (HIV- or AZT-related myopathy) all contribute to fatigue.
www.aegis.com /pubs/gmhc/1997/GM110104.html   (1568 words)

 Exercise as an Intervention for Cancer-Related Fatigue   (Site not responding. Last check: 2007-10-21)
However, in contrast to exercise-induced fatigue experienced by these individuals, the fatigue experienced by patients with cancer is of greater magnitude and persistence, tends to remain after rest periods, is more disruptive to activities of daily living, and has a more negative affective impact.
The fatigue pattern most commonly seen in subjects, both exercisers and nonexercisers, was a sharp increase in symptoms in the first 24 to 48 hours after chemotherapy.
Physical therapists are in a unique position to prescribe exercise as well as monitor for adverse changes in patients with cancer, in addition to being able to recognize when exercise may be unsafe in these complex patients (eg, metastasis to bone).
www.ptjournal.org /PTJournal/Aug2004/v84n8p736.cfm   (4270 words)

 The Body: A Comprehensive Look at HIV-Related Fatigue
Chronic fatigue is persistent exhaustion that is not associated with exertion and that may not be relieved by rest.
Physical fatigue is often related to a specific physical malfunction, such as heart, lung, endocrine (hormone), or nervous system problems.
Emotional fatigue involves a decrease in motivation and lack of interest or pleasure in normal activities (also called anhedonia), what Dr. Capaldini calls a lack of "get-up-and-go." Emotional fatigue may also be associated with feelings of frustration and irritability.
www.thebody.com /sfaf/spring01/fatigue.html   (6204 words)

 Oncology Nursing Society.
Fatigue is a moderately intense symptom during adjuvant breast cancer chemotherapy that decreases, but does not return to low levels for all women, after active treatment.
Fatigue secondary to cancer and its treatments differs from acute fatigue because patients continue to suffer feelings of weakness and tiredness not fully relieved by rest (Cella et al., 2001).
Fatigue was significantly predicted by depression, pain, current tamoxifen use, mastectomy, and anxiety in a sample of 112 patients with breast cancer who were at a clinic for treatment or follow-up examination (Haghighat, Akbari, Holakouei, Rahimi, and Montazeri, 2003).
www.ons.org /publications/journals/ONF/volume33/issue1/330139.asp   (5511 words)

 Fatigue - Wikipedia, the free encyclopedia
Fatigue (material) - failure by repeated stress in materials
Fatigues (uniform) - military uniform (BDU or ACU)
This is a disambiguation page: a list of articles associated with the same title.
en.wikipedia.org /wiki/Fatigue   (101 words)

 National MS Society | Sourcebook: Fatigue   (Site not responding. Last check: 2007-10-21)
Fatigue can significantly interfere with a person's ability to function at home and at work, and may be the most prominent symptom in a person who otherwise has minimal activity limitations.
Fatigue is a most important cause of early departure from the workforce.
Because fatigue can also be caused by treatable medical conditions such as depression, thyroid disease, or anemia, or may occur as a side effect of various medications or be the result of inactivity, persons with MS should consult a physician if fatigue becomes a problem.
www.nationalmssociety.org /Sourcebook-Fatigue.asp   (580 words)

 The Body: AIDS Treatment NewsMarch 20, 1998
One kind of fatigue -- physical fatigue -- shows up after specific activities -- for example, getting unusually short of breath after climbing a hill, or having your legs give out while walking three blocks to the grocery store, or having your arms be too weak to stack soup cans on your kitchen shelf.
Abnormal physical fatigue is often due to a specific system of the body malfunctioning -- for example, lung problems, heart problems, nerve problems, or muscle problems.
Morning fatigue may be a symptom of biochemical depression which is primarily a brain hormone problem, characterized by low levels of serotonin and/or norepinephrine.
www.thebody.com /atn/291.html   (5041 words)

Fatigue is a common, but nonspecific, sensation of generalized weakness or exhaustion.
Fatigue is normal after heavy physical exertion (like running four or five miles) or after a busy, tiring day, but it is not "normal" for someone to feel tired or a loss of energy with little effort or after adequate sleep and rest.
Many illnesses are associated with fatigue: anemia, heart disease, underactive thyroid, and depression are just a few of the many causes.
healthlink.mcw.edu /article/901214708.html   (305 words)

 Encyclopedia of Alternative Medicine: Fatigue
Fatigue is physical and/or mental exhaustion that can be triggered by stress, medication, overwork, or mental and physical illness or disease.
But when fatigue becomes a persistent feeling of tiredness or exhaustion that goes beyond normal sleepiness, it is usually a sign that something more serious is amiss.
Extreme fatigue which persists, unabated, for at least six months, is not the result of a diagnosed disease or illness, and is characterized by flu-like symptoms such as swollen lymph nodes, sore throat, and muscle weakness and/or pain may indicate a diagnosis of chronic fatigue syndrome.
www.findarticles.com /p/articles/mi_g2603/is_0003/ai_2603000356   (493 words)

 ABC of psychological medicine: Fatigue -- Sharpe and Wilks 325 (7362): 480 -- BMJ
Fatigue is a major symptom of many psychiatric disorders, but for a substantial proportion of patients with fatigue the symptom
The nature of the fatigue is an important clue to diagnosis, and it is therefore important to clarify patients' complaints.
Fatigue is a ubiquitous symptom that is important to patients and has a major impact on their quality of life.
bmj.bmjjournals.com /cgi/content/full/325/7362/480   (1863 words)

First, it may be helpful to determine whether your fatigue is physical ­ as is likely the case after SCI ­ or if it is the result of psychological or psychiatric issues.
physical fatigue is worse in the evening and at night but is relieved by sleep­psychological fatigue is worse in the morning and is unaffected or worsened by sleep
physical fatigue is worsened by activity and limits people’s duties­psychological fatigue is lessened by activity and tends not to interfere with duties and responsibilities.
www.craighospital.org /SCI/METS/fatigue.asp   (1109 words)

Many patients recover from nearly all of their other deficits, only to have fatigue prevent them from returning to work full time (they go back, but at a part-time level).
There are two types of fatigue: physical fatigue and mental fatigue.
This is mental fatigue, and tends to go on for long periods of time.
www.tbiguide.com /fatigue.html   (970 words)

 The Physician and Sportsmedicine: Coping With Cancer
Fatigue, an especially common and distressing symptom of cancer, occurs in 40% to 100% of patients undergoing treatment (10-15).
The key consideration when prescribing an exercise mode in cancer patients and survivors is acute or chronic physical impairments such as ataxia, anemia, or limited range of motion that may have resulted from surgery or adjuvant therapy (eg, chemotherapy, radiotherapy, or hormone therapy).
Dr Courneya is a professor in the faculty of physical education, Dr Mackey is an assistant professor of medicine in the department of oncology, and Mr Jones is a doctoral student in the faculty of physical education at the University of Alberta in Edmonton.
www.physsportsmed.com /issues/2000/05_00/courneya.htm   (5628 words)

 Fatigue in the Danish general population. Influence of sociodemographic factors and disease -- Watt et al. 54 (11): 827 ...
Fatigue in the general population was measured by five fatigue scales.
These different aspects of fatigue had different relations with sociodemographic and clinical variables, indicating that a multidimensional concept of fatigue is indeed meaningful.
Fatigue: a summary of the definitions, dimensions, and indicators.
jech.bmjjournals.com /cgi/content/full/54/11/827   (4243 words)

 SF AIDS Fdn: BETA Spring 2001 -- HIV-Related Fatigue
Many providers believe that fatigue is one of the most prevalent—yet under-reported, under-recognized, and under-treated—aspects of HIV disease.
Various studies have found that 60—90% of people with HIV have some degree of anemia at some time during the course of their illness, and that the incidence of anemia increases as HIV disease progresses to AIDS.
In summary, fatigue is common in people with HIV, and may be caused by a variety of factors—or a combination of factors.
www.sfaf.org /treatment/beta/b47/b47fatigue.html   (6009 words)

 The effect of a polynutrient supplement on fatigue and physical activity of patients with chronic fatigue syndrome: a ...   (Site not responding. Last check: 2007-10-21)
The effect of a polynutrient supplement on fatigue and physical activity of patients with chronic fatigue syndrome: a double-blind randomized controlled trial -- BROUWERS et al.
Physical activity levels were measured using actigraphic assessment.
Physical activity in chronic fatigue syndrome: assessment and its role in fatigue.
qjmed.oxfordjournals.org /cgi/content/full/95/10/677   (2237 words)

 Fellowship training, workload, fatigue and physical stress: a prospective observational study -- Parshuram et al. 170 ...
Fellowship training, workload, fatigue and physical stress: a prospective observational study -- Parshuram et al.
physical stress of 11 senior fellows during 35 shifts in the
Patient safety: fatigue among clinicians and the safety of patients.
www.cmaj.ca /cgi/content/full/170/6/965   (3024 words)

 Physical or mental? A perspective on chronic fatigue syndrome -- Sykes 8 (5): 351 -- Advances in Psychiatric Treatment
Kendell, R. (2001) The distinction between mental and physical illness.
Komaroff, A. (2000) The biology of chronic fatigue syndrome.
White, P. (1990) Fatigue and chronic fatigue syndrome.
apt.rcpsych.org /cgi/content/full/8/5/351   (3763 words)

 University of Alberta researchers offer physical evidence for chronic fatigue syndrome   (Site not responding. Last check: 2007-10-21)
A University of Alberta study has verified that there is physical evidence for those who suffer from chronic fatigue syndrome (CFS), giving new weight to the often stigmatized and misdiagnosed disorder.
Research just published in the "International Journal of Psychophysiology" determined that, using independent criteria, CFS can be distinguished from depression--two disorders that share many of the same symptoms.
Pazderka-Robinson completed this study with researchers from the University Centre for Neuroscience at the University of Alberta and from Alberta Hospital.
www.eurekalert.org /pub_releases/2004-08/uoa-uoa082304.php   (466 words)

 Effects of fatigue on physical activity and function in patients with Parkinson's disease -- Garber and Friedman 60 ...
Effects of fatigue on physical activity and function in patients with Parkinson's disease -- Garber and Friedman 60 (7): 1119 -- Neurology
Effects of fatigue on physical activity and function in patients with Parkinson’s disease
of fatigue, physical activity, physical function, and functional
www.neurology.org /cgi/content/abstract/60/7/1119   (408 words)

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