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Query: UMLS:C0015672 (fatigue)
 51,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Workers engaged in compulsory education and training of severely handicapped children have a high prevalence of neck pain, shoulder pain, low back pain and general fatigue. These complaints are mainly due to heavy physical burden placed on these workers in caring for a large number of handicapped children who are unable to satisfy by themselves daily needs such as excretion, putting on and off their clothes, and eating. To prevent these physical disturbances, it was found effective to reduce the number of assigned handicapped children, to introduce physical exercise especially designed for low back pain prevention, and to provide individual guidance to workers through health examination. Though these measures are expensive, they are considered necessary in preventing disturbances and in executing the government's program of providing compulsory education and training to all handicapped children in the country.
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PMID:[Health problems among workers engaged in the education of handicapped children. Status of daily care and trends in physical complaints]. 294 Mar 92

An endurance test in shoulder flexion was made in 10 patients (median age 30 yr) with a history of shoulder-neck pain of at least one year's duration. No signs of inflammatory, rheumatic, or neuromuscular diseases were present among the patients but there was localized muscular pain and tenderness in the shoulder-neck region. In a sitting position the patients performed an endurance test of a 30 degree isometric shoulder flexion on both the left and right sides. EMG was recorded from the descending part of the trapezius muscle by surface electrodes and from the supraspinatus muscle by intramuscular wire electrodes. Myoelectric amplitude increase and mean power frequency (MPF) decrease with time during the endurance test were used as measures of fatigue development. All patients had a shorter duration of endurance on the more painful side. The endurance time was short in relation to the load. The regression between endurance time and MPF decrease was similar to that for healthy subjects. The short endurance time for the patients appears to be an effect of increased physiologic fatigability of the muscle which may be due to a change in its work capacity.
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PMID:Muscular endurance and electromyographic fatigue in myofascial shoulder pain. 647 84

The effect for cyclists of the typical forward sitting position on neck strength and its possible relationship to neck pain have not been examined. The purpose of this study was to measure the peak isometric cervical extension strength (PICES) of both recreational and experienced road cyclists and to compare these values to those of noncyclists. Subjects, 45 men between the ages of 18 and 40, were tested for voluntary PICES through a 126 degrees range of motion on a MedX cervical extension machine. No significant differences were found between the three groups in PICES at any angle. When expressed relative to body weight, significant differences in PICES were found at 126 degrees between the control group and the recreational cyclist group (p < 0.05), and between the control group and the experienced cyclist group (p < 0.01), but not at any other angle. Furthermore, no significant differences in strength were found between cyclists experiencing neck pain and those who did not. These data indicate that the cervical muscles of cyclists have not adapted by increasing maximal isometric strength above that of noncyclists, and that the neck pain frequently reported may be due to fatigue from sustained muscular contractions associated with time spent cycling, rather than from muscle weakness.
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PMID:Isometric cervical extension strength of recreational and experienced cyclists. 764 Jun 49

Human intervertebral discs undergo age-related degenerative changes that contribute to some of the most common causes of impairment and disability for middle aged and older persons: spine stiffness, neck pain, and back pain. Potential causes of the age-related degeneration of intervertebral discs include declining nutrition, loss of viable cells, cell senescence, post-translational modification of matrix proteins, accumulation of degraded matrix molecules, and fatigue failure of the matrix. The most important of these mechanisms appears to be decreasing nutrition of the central disc that allows accumulation of cell waste products and degraded matrix molecules, impairs cell nutrition, and causes a fall in pH levels that further compromises cell function and may cause cell death. Although aging changes of the disc appear to be inevitable, identification of activities and agents that accelerate these changes may help decrease the rate and severity of disc degeneration; and recent work suggests that methods can be developed that will regenerate disc tissue.
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PMID:Aging and degeneration of the human intervertebral disc. 766 Feb 43

Children, 4-6 years old, 153 Caucasian and 50 African-American, from a pre-school and kindergarten programme in a low income industrial area, who participated in a voluntary oral health examination, were questioned and examined for signs and symptoms of craniomandibular disorders (CMD) and of oral parafunctions. Most of the CMD signs and symptoms were mild. Eight per cent had recurrent (at least 1-2 times per week) TMJ pain, and 5% had recurrent neck pain, African-American children more often than Caucasian children (P < 0.05). Seventeen per cent had recurrent headache. Three per cent had recurrent earache. Pain or tiredness in the jaws during chewing was reported by 25% of the children, more often by African-American than by Caucasian children (P < 0.001) and more often by girls than by boys (P < 0.05). Pain at jaw opening occurred in 10% of the children, more often in the African-American than in the Caucasian group (P < 0.001). Thirteen per cent of the children had problems in opening the mouth. Deviation during opening was observed in 17% and reduced opening in 2%. Reduced lateral movements, locking or luxation were not observed in any child. Palpation pain was found in the lateral TMJ area in 16%, in the posterior TMJ area in 25%, in the temporalis and masseter areas in 10%, and pain for all regions was found more often in the African-American than in the Caucasian children (P < 0.01). Thirty-four per cent of the African-American, and 15% of the Caucasian children admitted to having ear noises (P < 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Prevalence of signs and symptoms of craniomandibular disorders and orofacial parafunction in 4-6-year-old African-American and Caucasian children. 772 49

A telephone interview was conducted to explore the occupational musculoskeletal problems and potential risk factors among typists in a government department. Of the 330 typists, 170 (51.5%) were interviewed; all of them were female with about 84% in their twenties and thirties. Local fatigue and musculoskeletal pain were found to be quite prevalent among typists. More than 50% of the typists had local fatigue affecting the shoulders, neck, back and fingers (in order of decreasing frequency), and most of these occurred within 1-2 h of continuous typing. Among the musculoskeletal problems, low back pain was the most common (53%), followed by neck pain (50%), arm pain (27.6%) and finger pain (27.6%). Univariate analyses showed that poor matching of desk height with chair height was found to be related to low back pain, neck pain and arm pain; it was also related to local fatigue of the shoulder and neck regions. Fatigue and pain at the lower back were related to bending of the back at work. Finger pain and arm pain were related to the period of time which they had worked as a typist. Multivariate analyses were done with logistic regression to sort out the relative influence on the outcome of the different risk factors adjusted for age and for each other.
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PMID:Self reported musculoskeletal problems amongst typist and possible risk factors. 796 84

Attitudes and behaviours of young women toward dieting and the relationship between body mass index (BMI) and subjective symptoms were studied by a questionnaire survey applied to all the students of a two-year women's college in Sapporo, Hokkaido. The response rate was 96% to yield a total of 608 subjects. 1) Young women showed excessive thinness-oriented attitudes. 2) Over 30 percent of the women reported irregular menstruation, neck pain, fatigue and oversensitiveness to cold. 3) Those who reported oversensitiveness to cold, wearied eyes or stomachache had significantly lower average BMI than those who did not. 4) A U-shaped relationship, with a higher prevalence of complaints of these three symptoms with a low BMI, was shown. Considering these findings, it appears that being excessively thin is related to symptoms and young women's thinness-oriented attitudes are unhealthful.
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PMID:[The association between body mass index and self-assessed symptoms among young women]. 816 28

The aim of this study was to record the prevalence in preschool children of oral/facial pain symptoms of clinical interest in the diagnoses of temporomandibular disorders (TMD) and to analyze the association with the race and gender factors. Children, 525 4-6 year olds, mean age 5.1 +/- 0.65 (SD), 326 Caucasian and 199 African American, from a preschool and kindergarten program in a low income industrial area, who participated in a voluntary oral health examination, were examined. Comparisons were made using Chi-Square test. An alpha-level of 5% was chosen, and the effect of making multiple comparisons was compensated for by Bonferroni correction. No gender differences were found, but racial differences were observed regarding six of the 10 variables. Twenty-five percent of the children had recurrent (at least one to two times per week) headache. Thirteen percent had recurrent earache, African-American children more often than Caucasian children (p approximately 0.0038). Thirteen percent had recurrent temporomandibular joint (TMJ) pain, and 11% had recurrent neck pain. Pain or tiredness in the jaws during chewing was reported by 29% of the children, more often by African-American than by Caucasian (p < 0.00001). Pain at jaw opening occurred in 13% of the children, more often in the African-American than in the Caucasian children (p approximately 0.00004). Palpation pain was found in the posterior TMJ area in 28%, in the lateral TMJ area in 22%, in the masseter area in 19%, in the anterior temporalis area in 15% and was found more often in all of those regions in the African-American than in the Caucasian children (p approximately 0.00001), except for the temporalis area. In conclusion, this study showed that mild, but distinct, TMD-related oral/facial pain symptoms occur already by ages 4-6 with significant differences in distribution observed between the African-American and the Caucasian races. While gender seems to play a negligible role in this age group, this does not necessarily mean that race is a causative factor. The pain symptoms may be caused by other factors with different distribution in the two racial subgroups.
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PMID:Race and gender as TMD risk factors in children. 894 55

HELLP syndrome in the parturient (hemolysis, elevated liver enzymes, and low platelet count) is associated with poor maternal and fetal outcomes. Maternal mortality has been estimated to be as high as 24%. Patients with HELLP syndrome are also at greater risk of pulmonary edema, adult respiratory distress syndrome, abruptio placentae, disseminated intravascular coagulation, ruptured liver hematomas, and acute renal failure. Perinatal mortality is equally high, ranging from 79 to 367 per 1,000 live births, and neonatal complications correlate with the severity of maternal disease. Many clinicians view HELLP syndrome as an entity of preeclampsia, and because of varied symptomatology, the initial diagnosis may be obscured. Prodromal signs include: (1) weakness and fatigue, (2) nausea and vomiting, (3) right upper quadrant and/or epigastric pain, (4) headache, (5) changes in vision, (6) increased tendency to bleed from minor trauma, (7) jaundice, (8) diarrhea, and (9) shoulder or neck pain. Before delivery, aggressive obstetric management is directed toward stabilization of the affected organ systems, if possible, and timely interruption of the pregnancy in the early phase of the accelerated disease progression. Definitive therapy is delivery. Parturients with HELLP syndrome are often critically ill; their infants are frequently premature and their conditions are compromised. Management criteria should include a multidisciplinary approach in a tertiary care center. Obstetric anesthesia personnel should perform a thorough preanesthetic evaluation and be familiar with the pathophysiologic changes of this syndrome. Determining the anesthetic of choice depends on the patient's condition, fetal well-being, and the urgency of the situation. In the presence of severe coagulopathy, regional anesthesia is contraindicated.
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PMID:HELLP syndrome (hemolysis, elevated liver enzymes, and low platelets) pathophysiology and anesthetic considerations. 922 38

The relationship between different degrees of institutionalization in the care of the elderly (service house, home care, and a combination of both) and work-load, as well as staff feelings regarding psychosocial variables and health complaints, was investigated. Seventy-one staff members similar in background factors answered questionnaires semi-annually during a period of 3 years. The results revealed consistent and stable differences between the different settings. The staff in service houses had the highest documented and subjective work-load and were doubly at risk for neck pain, fatigue and nervousness, and with a five-fold risk of shoulder pain, in comparison with the staff in home care, with the mixed group in an intermediary position. The results indicate that work involving mixed tasks might lower the strain of dealing with highly dependent clients in a highly institutionalized environment. Generalizations are limited, because of small sample sizes and descriptive design, but the results were consistent and persisted over a 3-year period.
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PMID:Attitude to work and health problems among home care workers in settings with different degrees of institutionalization. 942 53


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