Prevalence rates and odds ratios of shoulder-neck diseases in different occupational groups.

Hagberg, Mats; Wegman, David H.

doi:10.1136/oem.44.9.602

Cited by 289 publications

(196 citation statements)

References 22 publications

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“…In a physical examination, 15 were diagnosed as having neck or shoulder disorders and 2 were given elbow or hand diagnoses. In an interview their median score for muscle tension was 2.0 (range 0-6), and their median work stress during work was 1.8 (1)(2)(3)(4). During maximal voluntary contraction (MVC) their median force was 134 (52-226) N.…”

Section: Study Groupmentioning

confidence: 99%

Interindividual variation of physical load in a work task

Balogh¹,

Hansson²,

Ohlsson³

et al. 1999

Scand J Work Environ Health

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Section: Study Groupmentioning

confidence: 99%

Interindividual variation of physical load in a work task

Balogh¹,

Hansson²,

Ohlsson³

et al. 1999

Scand J Work Environ Health

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“…This population was of particular interest because of their increased risk for developing shoulder problems. 3,8,9 In addition, we believe that people who do not engage in overhead activities, even though they might not have symptoms of shoulder impingement, may demonstrate abnormal kinematic patterns that could contribute to the development of shoulder impingement if they routinely used their arms in elevated positions. We believed that equal occupational exposure between the 2 groups would improve the potential to detect kinematic or muscle activity differences.…”

Section: Subjectsmentioning

confidence: 99%

“…Frequent or sustained shoulder elevation at or above 60 degrees in any plane during occupational tasks has been identified as a risk factor for the development of shoulder tendinitis or nonspecific shoulder pain. 3,8,9 Evidence relating occupational exposure of frequent or sustained shoulder elevation to shoulder musculoskeletal symptoms is strongest for combined exposure to multiple physical factors, such as holding a tool while working overhead. 9 Multiple theories exist as to the primary etiology of shoulder impingement, including anatomic abnormalities of the coracoacromial arch or humeral head 10,11 ; "tension overload," ischemia, or degeneration of the rotator cuff tendons [12][13][14] ; and shoulder kinematic abnormalities.…”

mentioning

confidence: 99%

“…1 The vast majority of people with impingement syndrome who are younger than 60 years of age relate their symptoms to occupational or athletic activities that involve frequent overhead use of the arm. 1 Epidemiologic investigations [3][4][5][6][7] have revealed a high prevalence (16%-40%) of shoulder complaints consistent with impingement in certain occupations, including assemblyline workers, welders, steelworkers, and construction workers. Frequent or sustained shoulder elevation at or above 60 degrees in any plane during occupational tasks has been identified as a risk factor for the development of shoulder tendinitis or nonspecific shoulder pain.…”

mentioning

confidence: 99%

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Alterations in Shoulder Kinematics and Associated Muscle Activity in People With Symptoms of Shoulder Impingement

2000

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Background and Purpose. Treatment of patients with impingement symptoms commonly includes exercises intended to restore "normal" movement patterns. Evidence that indicates the existence of abnormal patterns in people with shoulder pain is limited. The purpose of this investigation was to analyze glenohumeral and scapulothoracic kinematics and associated scapulothoracic muscle activity in a group of subjects with symptoms of shoulder impingement relative to a group of subjects without symptoms of shoulder impingement matched for occupational exposure to overhead work. Subjects. Fifty-two subjects were recruited from a population of construction workers with routine exposure to overhead work. Methods. Surface electromyographic data were collected from the upper and lower parts of the trapezius muscle and from the serratus anterior muscle. Electromagnetic sensors simultaneously tracked 3-dimensional motion of the trunk, scapula, and humerus during humeral elevation in the scapular plane in 3 handheld load conditions: (1) no load, (2) 2.3-kg load, and (3) 4.6-kg load. An analysis of variance model was used to test for group and load effects for 3 phases of motion (31°-60°, 61°-90°, and 91°-120°). Results. Relative to the group without impingement, the group with impingement showed decreased scapular upward rotation at the end of the first of the 3 phases of interest, increased anterior tipping at the end of the third phase of interest, and increased scapular medial rotation under the load conditions. At the same time, upper and lower trapezius muscle electromyographic activity increased in the group with impingement as compared with the group without impingement in the final 2 phases, although the upper trapezius muscle changes were apparent only during the 4.6-kg load condition. The serratus anterior muscle demonstrated decreased activity in the group with impingement across all loads and phases. Conclusion and Discussion. Scapular tipping (rotation about a medial to lateral axis) and serratus anterior muscle function are important to consider in the rehabilitation of patients with symptoms of shoulder impingement related to occupational exposure to overhead work. [Ludewig PM, Cook TM. Alterations in shoulder kinematics and associated muscle activity in people with symptoms of shoulder impingement. Phys Ther. 2000;80:276 -291.]

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“…It has been reported that the incidence of WMSDs is higher among women than men [38][39][40] . Why is this?…”

Section: Gender Differences In the Incidence Of Wmsdsmentioning

confidence: 99%

Work-related Reproductive, Musculoskeletal and Mental Disorders among Working Women-History, Current Issues and Future Research Directions.

et al. 2002

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According to the recent changes of working environments and socio-economical conditions, the proportion of working women are increasing in Japan. Characteristics of occupational workload and stress of Japanese working women are consistent with those in many industrialized countries except man-dominant culture. In this review we describe the history, current issues, and future research directions on occupational health of working women, especially focused on reproductive health, workrelated musculo-skeletal disorders (WMSDs), and mental disorders. In the reproductive health survey, traditionally main concern was about pregnancy outcomes, then fecundity studies, such as time to pregnancy, became topics recently. Future research will be shifted to outcomes not only during pregnancy but also disorders of hormonal balance and climacterium or health conditions after menopause. WMSDs are reviewed on mainly gender difference and its causative factors. Historically, mental health of working women in Japan has focused on the job stress of nurses. We compare results with a lot of recent researches in Europe and U.S.A., where interaction between occupational stress and family roles were studied. It is not easy to predict the prospective status of female workers in Japan, but social, workplace and familial supports will enhance their health promotion.

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Prevalence rates and odds ratios of shoulder-neck diseases in different occupational groups.

Cited by 289 publications

References 22 publications

Interindividual variation of physical load in a work task

Interindividual variation of physical load in a work task

Alterations in Shoulder Kinematics and Associated Muscle Activity in People With Symptoms of Shoulder Impingement

Work-related Reproductive, Musculoskeletal and Mental Disorders among Working Women-History, Current Issues and Future Research Directions.

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