Download Occupational Ergonomics: Engineering and Administrative by Waldemar Karwowski, William S. Marras PDF

By Waldemar Karwowski, William S. Marras

Occupational Ergonomics: Engineering and Administrative Controls specializes in prevention of work-related musculoskeletal problems with an emphasis on engineering and administrative controls. part I presents wisdom approximately danger components for top and decrease extremities at paintings, whereas part II concentrates on probability elements for work-related low again problems. part III discusses basics of surveillance of musculoskeletal problems, standards for surveillance database structures, OSHA checklist conserving process, and surveillance equipment in response to the evaluation of physique pain. part IV makes a speciality of clinical administration of work-related musculoskeletal problems, together with courses for post-injury administration, trying out of actual skill for employment judgements, review of employee power and different sensible capacities, and functions of ergonomics wisdom in rehabilitation.

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Additional info for Occupational Ergonomics: Engineering and Administrative Controls (Principles and Applications in Engineering, 14)

Sample text

First, it is used as a qualitative term to describe both the high frequency of actions as well as the sameness or monotony of the job. Second, it has been used to describe fast manual work with little apparent rest between movements. Third, repetitive work can be quantified by the number of parts, efforts, keystrokes or wrist movements/per unit time. 1 Schematic of the upper limb showing examples of the sites and tissues potentially involved in work-and activity-related musculoskeletal disorders: {T} = tendon-related disorders; {N} = nerve-related disorders; {M} = musclerelated disorders; {V} = vascular disorders.

The medical term describing muscle pain is myalgia, which includes a few specific muscle pain syndromes. Myalgia can occur after vigorous or unaccustomed exercise, and also from work-related activity. A worker can develop a myopathy called myofascial syndrome, which is characterized by “the presence of one or more discrete areas (or trigger points) that are tender and hypersensitive and from which pain may radiate when pressure is applied” (Kuorinka and Forcier, 1995, p. 81). Myofascial syndrome could be associated with work-related activity, and a common work-related myofascial syndrome is tension neck syndrome (also called shoulder-neck myofascial syndrome).

E, 1995. J. ) Repetitive Motion Disorders of the Upper Extremity, American Academy of Orthopaedic Surgeons, Rosemount, IL. Winkel, J. , 1992. Occupational and individual risk factors for shoulder-neck complaints, part II: the scientific basis (literature review) for the guide. Int. J. Ind. ; 10:85–104. Winkel, J and Mathiasen, S-E. 1994. Assessment of physical work load in epidemiologic studies, concepts, issues and operational considerations. Ergonomics; 37:979–988. 1 Introduction The purpose of this chapter is to explain the biomechanical etiology of cumulative trauma disorders (CTDs) that affect the hand, wrist, elbow, and shoulder.

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