The association with job stress could occur because stress
increases awareness and reporting of pain, either through
effects on the processing of sensory information in the central nervous system, or by changing the way in which physical tasks are performed (e.g. with increased muscle tension
or altered posture) in a manner that makes them more likely
to generate pain. However, it is also possible that pain renders people more prone to perceive and report occupational
stress. A recent systematic review and meta-analysis of longitudinal studies (Lang et al. 2012) indicated that perceived
stress had small but significant lagged effects on the development of musculoskeletal symptoms. However, this does
not preclude a causal relationship also in the opposite direction, which would tend to increase the strength of associations between stress and musculoskeletal pain in cross-sectional surveys. If musculoskeletal pain predisposed workers
to subsequent stress, greater attention to mental health
would be indicated when workers with musculoskeletal disorders present to occupational health services.
The association with job stress could occur because stress
increases awareness and reporting of pain, either through
effects on the processing of sensory information in the central nervous system, or by changing the way in which physical tasks are performed (e.g. with increased muscle tension
or altered posture) in a manner that makes them more likely
to generate pain. However, it is also possible that pain renders people more prone to perceive and report occupational
stress. A recent systematic review and meta-analysis of longitudinal studies (Lang et al. 2012) indicated that perceived
stress had small but significant lagged effects on the development of musculoskeletal symptoms. However, this does
not preclude a causal relationship also in the opposite direction, which would tend to increase the strength of associations between stress and musculoskeletal pain in cross-sectional surveys. If musculoskeletal pain predisposed workers
to subsequent stress, greater attention to mental health
would be indicated when workers with musculoskeletal disorders present to occupational health services.
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