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===Psychosocial===
===Psychosocial===


There is a growing consensus that psychosocial factors are another cause of some MSDs.<ref>http://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html</ref> Some theories for this causal relationship found by many researchers include increased muscle tension, increased blood and fluid pressure, reduction of growth functions, pain sensitivity reduction, pupil dilation, body remaining at heightened state of sensitivity. Although research findings are inconsistent at this stage, some of the workplace stressors found to be associated with MSDs in the workplace include high job demands, low [[social support]], and overall job strain. <ref>http://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html</ref><ref name = "sprigg">Sprigg, C. A., Stride, C. B., Wall, T. D., Holman, D. J., & Smith, P. R. (2007). Work characteristics, musculoskeletal disorders, and the mediating role of psychological strain: A study of call center employees. ''Journal of Applied Psychology'', 92(5), 1456-1466.</ref><ref name = "Hauke 2011">Hauke, A., Flintrop, J., Brun, E., & Rugulies, R. (2011). The impact of work-related psychosocial stressors on the onset of musculoskeletal disorders in specific body regions: A review and meta-analysis of 54 longitudinal studies. ''Work & Stress, 25''(3), 243-256. doi: 10.1080/02678373.2011.614069</ref>Researchers have consistently identified causal relationships between job dissatisfaction and MSDs. For example, improving [[job satisfaction]] can reduce 17-69 per cent of work-related back disorders and improving job control can reduce 37-84 per cent of work-related wrist disorders <ref>Punnett, l., Wegman, d.(2004). Work-related Musculoskeletal Disorders: The Epidemiologic Evidence and the Debate. Journal of Electromyography and Kinesiology</ref>
There is a growing consensus that psychosocial factors are another cause of some MSDs.<ref>http://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html</ref> Some theories for this causal relationship found by many researchers include increased muscle tension, increased blood and fluid pressure, reduction of growth functions, pain sensitivity reduction, pupil dilation, body remaining at heightened state of sensitivity. Although research findings are inconsistent at this stage,<ref>Courvoisier, D. S., Genevay, S., Cedraschi, C., Bessire, N., Griesser-Delacretaz, A.-C., Monnin, D., & Perneger, T. V. (2011). Job strain, work characteristics and back pain: A study in a university hospital. European Journal of Pain, 15(6), 634-640. doi: http://dx.doi.org/10.1016/j.ejpain.2010.11.012</ref> some of the workplace stressors found to be associated with MSDs in the workplace include high job demands, low [[social support]], and overall job strain. <ref>http://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html</ref><ref name = "sprigg">Sprigg, C. A., Stride, C. B., Wall, T. D., Holman, D. J., & Smith, P. R. (2007). Work characteristics, musculoskeletal disorders, and the mediating role of psychological strain: A study of call center employees. ''Journal of Applied Psychology'', 92(5), 1456-1466.</ref><ref name = "Hauke 2011">Hauke, A., Flintrop, J., Brun, E., & Rugulies, R. (2011). The impact of work-related psychosocial stressors on the onset of musculoskeletal disorders in specific body regions: A review and meta-analysis of 54 longitudinal studies. ''Work & Stress, 25''(3), 243-256. doi: 10.1080/02678373.2011.614069</ref>Researchers have consistently identified causal relationships between job dissatisfaction and MSDs. For example, improving [[job satisfaction]] can reduce 17-69 per cent of work-related back disorders and improving job control can reduce 37-84 per cent of work-related wrist disorders <ref>Punnett, l., Wegman, d.(2004). Work-related Musculoskeletal Disorders: The Epidemiologic Evidence and the Debate. Journal of Electromyography and Kinesiology</ref>


=== Activities ===
=== Activities ===

Revision as of 21:31, 8 April 2014

Musculoskeletal disorder
SpecialtyRheumatology Edit this on Wikidata
Carpal tunnel syndrome is a common musculoskeletal disorder, and is often treated with a splint.

Musculoskeletal disorders (MSDs) include a variety of injuries or pain in the body's joints, ligaments, muscles, nerves, tendons, and structures that support limbs, neck and back.[1] MSDs are degenerative diseases and inflammatory conditions that cause pain and impair normal activities.[2] They can affect many different parts of the body including upper and lower back, neck, shoulders and extremities (arms, legs, feet, and hands).[3] MSDs can arise from a sudden exertion (e.g., lifting a heavy object), or they can arise from making the same motions repeatedly repetitive strain, or from repeated exposure to force, vibration, or awkward posture.[1] Examples of specific MSD disorders are carpal tunnel syndrome, epicondylitis, and tendinitis.[4] Abrasions, contusions, and fractures that occur from sudden physical contact with objects that might occur in an accident are not considered MSDs.[1]

Prevalence

General Population

MSDs are an increasing healthcare issue globally, being the second leading cause of disability.[4] For example, in the U.S. there were more than 16 million strains and sprains treated in 2004, and the total cost for treating MSDs is estimated to be more than $125 billion per year.[5] In 2006 approximately 14.3% of the Canadian population was living with a disability, with nearly half due to MSDs.[6] Neck pain is one of the most common complaints, with about one fifth of adults worldwide reporting pain annually.[7]

Workplace

Most workplace MSD episodes involve multiple parts of the body.[8] MSDs are the most frequent health complaint by European workers.[9] and the third leading reason for disability and early retirement in the U.S.[10] MSDs are widespread in many occupations, including those with heavy biomechanical load like construction and factory work, and those with lighter loads like office work.[10] The frequency of injury and body parts affected vary by occupation. For example, a national survey of U.S. nurses found that 38% reported an MSD in the prior year, mainly lower back injury.[11]

Assessment

Since MSDs involve soft tissue, there are often no visible signs of injury. Therefore, assessments are based on self-reports by people as to whether or not they are experiencing pain. A popular measure of MSDs is the Nordic Questionnaire that has a picture of the body with various areas labeled and asks the individual to indicate in which areas they have experienced pain, and in which areas has the pain interfered with normal activity[12]

Causes

MSDs can arise from the interaction of physical factors with economic, psychological, and social factors.[13] Gender is also a factor with a higher rate in women than men.[4]

Biomechanical

MSDs are caused by biomechanical load which is the force that must be applied to do tasks, the duration of the force applied, and the frequency with which tasks are performed.[14] Activities involving heavy loads can result in acute injury, but most occupation-related MSDs are from motions that are repetitive, or from maintaining a static position.[4] Even activities that do not require a lot of force can result in muscle damage if the activity is repeated often enough at short intervals.[4] MSD risk factors involve doing tasks with heavy force, repetition, or maintaining a nonneutral posture.[4] Of particular concern is the combination of heavy load with repetition.[4] Although awkward posture is often blamed for lower back pain, a systematic review of the literature failed to find a consistent connection.[15]

Psychosocial

There is a growing consensus that psychosocial factors are another cause of some MSDs.[16] Some theories for this causal relationship found by many researchers include increased muscle tension, increased blood and fluid pressure, reduction of growth functions, pain sensitivity reduction, pupil dilation, body remaining at heightened state of sensitivity. Although research findings are inconsistent at this stage,[17] some of the workplace stressors found to be associated with MSDs in the workplace include high job demands, low social support, and overall job strain. [18][10][19]Researchers have consistently identified causal relationships between job dissatisfaction and MSDs. For example, improving job satisfaction can reduce 17-69 per cent of work-related back disorders and improving job control can reduce 37-84 per cent of work-related wrist disorders [20]

Activities

Any activity that involves repeated biomechanical load can contribute to MSDs. Such conditions are frequent in the workplace, but can occur in the home or leisure activities. For example, parents are at risk for MSDs due to lifting and carrying young children.[21] Participation in sports can lead to MSDs, and is a leading cause of ankle injuries.[22]

Prevention

The target of MSD prevention efforts is often the workplace in order to identify incidence rates of both disorders and exposure to unsafe conditions.[2] Groups who are at particular risk can be identified, and modifications to the physical and psychosocial environment can be made.[2] Approaches to prevention in workplace settings include matching the person's physical abilities to the tasks, increasing the person's capabilities, changing how tasks are performed, or changing the tasks.[23]

Treatment

MSD is a medical condition that are treated by appropriate medical specialists.

See also

References

  1. ^ a b c http://www.cdc.gov/niosh/programs/msd/
  2. ^ a b c Côté, J. N., Ngomo, S., Stock, S., Messing, K., Vézina, N., Antle, D., . . . St-Vincent, M. (2013). Quebec research on work-related musculoskeletal disorders: Deeper understanding for better prevention. Investigación quebequense sobre los trastornos musculo-esqueléticos vinculados al trabajo: una mejor comprensión por una mejor prevención., 68(4), 643-660.
  3. ^ Kuorinka, I., Jonsson, B., Kilbom, A., Vinterberg, H., Biering-Sørensen, F., Andersson, G., & Jørgensen, K. (1987). Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms. Applied Ergonomics, 18(3), 233-237. doi: Doi: 10.1016/0003-6870(87)90010-x
  4. ^ a b c d e f g Barbe, M. F., Gallagher, S., Massicotte, V. S., Tytell, M., Popoff, S. N., & Barr-Gillespie, A. E. (2013). The interaction of force and repetition on musculoskeletal and neural tissue responses and sensorimotor behavior in a rat model of workrelated musculoskeletal disorders. BMC Musculoskeletal Disorders, 14(1), 1-51. doi: 10.1186/1471-2474-14-303
  5. ^ Gallagher, S., & Heberger, J. R. (2013). Examining the interaction of force and repetition on musculoskeletal disorder risk: A systematic literature review. Human Factors, 55(1), 108-124. doi: http://dx.doi.org/10.1177/0018720812449648
  6. ^ Goodridge, D., Lawson, J., Marciniuk, D., & Rennie, D. (2011). A population-based profile of adult Canadians living with participation and activity limitations. Canadian Medical Association Journal, 183(13), E1017-E1024. doi: http://dx.doi.org/10.1503/cmaj.110153
  7. ^ McLean, S. M., May, S., Klaber-Moffett, J., Sharp, D. M., & Gardiner, E. (2010). Risk factors for the onset of non-specific neck pain: a systematic review. Journal of Epidemiology & Community Health, 64(7), 565-572. doi: http://dx.doi.org/10.1136/jech.2009.090720
  8. ^ Haukka, E., Leino-Arjas, P., Ojajarvi, A., Takala, E.-P., Viikari-Juntura, E., & Riihimaki, H. (2011). Mental stress and psychosocial factors at work in relation to multiple-site musculoskeletal pain: A longitudinal study of kitchen workers. European Journal of Pain, 15(4), 432-438. doi: http://dx.doi.org/10.1016/j.ejpain.2010.09.005
  9. ^ Hauke, A., Flintrop, J., Brun, E., & Rugulies, R. (2011). The impact of work-related psychosocial stressors on the onset of musculoskeletal disorders in specific body regions: A review and meta-analysis of 54 longitudinal studies. Work & Stress, 25(3), 243-256. doi: 10.1080/02678373.2011.614069
  10. ^ a b c Sprigg, C. A., Stride, C. B., Wall, T. D., Holman, D. J., & Smith, P. R. (2007). Work characteristics, musculoskeletal disorders, and the mediating role of psychological strain: A study of call center employees. Journal of Applied Psychology, 92(5), 1456-1466.
  11. ^ American Nurses Association. (2001). Nursingworld organizational health & safety survey. Silver Spring, MD.
  12. ^ Kuorinka, I., Jonsson, B., Kilbom, A., Vinterberg, H., Biering-Sørensen, F., Andersson, G., & Jørgensen, K. (1987). Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms. Applied Ergonomics, 18(3), 233-237. doi: Doi: 10.1016/0003-6870(87)90010-x
  13. ^ Gatchel, R. J., & Kishino, N. (2011). Pain, musculoskeletal injuries, and return to work. In J. C. Quick & L. E. Tetrick (Eds.), Handbook of occupational health psychology (2nd ed.). Washington, DC: American Psychological Association.
  14. ^ Barriera-Viruet, H., Sobeih, T. M., Daraiseh, N., & Salem, S. (2006). Questionnaires vs observational and direct measurements: A systematic review. Theoretical Issues in Ergonomics Science, 7(3), 261-284. doi: http://dx.doi.org/10.1080/14639220500090661
  15. ^ Roffey, D. M., Wai, E. K., Bishop, P., Kwon, B. K., & Dagenais, S. (2010). Causal assessment of awkward occupational postures and low back pain: results of a systematic review. Spine Journal: Official Journal of the North American Spine Society, 10(1), 89-99. doi: http://dx.doi.org/10.1016/j.spinee.2009.09.003
  16. ^ http://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html
  17. ^ Courvoisier, D. S., Genevay, S., Cedraschi, C., Bessire, N., Griesser-Delacretaz, A.-C., Monnin, D., & Perneger, T. V. (2011). Job strain, work characteristics and back pain: A study in a university hospital. European Journal of Pain, 15(6), 634-640. doi: http://dx.doi.org/10.1016/j.ejpain.2010.11.012
  18. ^ http://www.ccohs.ca/oshanswers/psychosocial/musculoskeletal.html
  19. ^ Hauke, A., Flintrop, J., Brun, E., & Rugulies, R. (2011). The impact of work-related psychosocial stressors on the onset of musculoskeletal disorders in specific body regions: A review and meta-analysis of 54 longitudinal studies. Work & Stress, 25(3), 243-256. doi: 10.1080/02678373.2011.614069
  20. ^ Punnett, l., Wegman, d.(2004). Work-related Musculoskeletal Disorders: The Epidemiologic Evidence and the Debate. Journal of Electromyography and Kinesiology
  21. ^ Vincent, R., & Hocking, C. (2013). Factors that might give rise to musculoskeletal disorders when mothers lift children in the home. Physiotherapy Research International, 18(2), 81-90.
  22. ^ Hiller, C. E., Nightingale, E. J., Raymond, J., Kilbreath, S. L., Burns, J., Black, D. A., & Refshauge, K. M. (2012). Prevalence and impact of chronic musculoskeletal ankle disorders in the community. Archives of Physical Medicine & Rehabilitation, 93(10), 1801-1807.
  23. ^ Rostykus, W., Ip, W., & Mallon, J. (2013). Musculoskeletal disorders. Professional Safety, 58(12), 35-42.

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