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Titolo:
Synchronized exposure and image presentation: Analysis of digital EMG and video recordings of work sequences
Autore:
Forsman, M; Sandsjo, L; Kadefors, R;
Indirizzi:
Lindholmen Dev, SE-40275 Gothenburg, Sweden Lindholmen Dev Gothenburg Sweden SE-40275 v, SE-40275 Gothenburg, Sweden Chalmers Univ Technol, Dept Appl Elect, SE-41296 Gothenburg, Sweden Chalmers Univ Technol Gothenburg Sweden SE-41296 1296 Gothenburg, Sweden Chalmers Univ Technol, Dept Injury Prevent, SE-41296 Gothenburg, Sweden Chalmers Univ Technol Gothenburg Sweden SE-41296 1296 Gothenburg, Sweden
Titolo Testata:
INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS
fascicolo: 3, volume: 24, anno: 1999,
pagine: 261 - 272
SICI:
0169-8141(19990627)24:3<261:SEAIPA>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
UPPER TRAPEZIUS MUSCLE; LOAD; DISORDERS; PATTERN;
Keywords:
electromyography; video; observational methods; computer analysis; assembly industry;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Engineering, Computing & Technology
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Forsman, M Lindholmen Dev, POB 8714, SE-40275 Gothenburg, Sweden Lindholmen Dev POB 8714 Gothenburg Sweden SE-40275 urg, Sweden
Citazione:
M. Forsman et al., "Synchronized exposure and image presentation: Analysis of digital EMG and video recordings of work sequences", INT J IND E, 24(3), 1999, pp. 261-272

Abstract

In ergonomic analysis of work involving manual materials handling, there is a need to relate ergonomic assessment to specific situations or tasks performed in the course of work; it may be important to identify particularly strenuous tasks, as a basis for interventions, or analyze the mix of high and low load periods. Ergonomic analysis methods include observation methodsas well as physiological measurements, like electromyography (EMG). This paper describes a method, called SEIP (Synchronized Exposure and Image Presentation), which integrates video recordings with simultaneously recorded exposure signals, on a regular PC display. An illustrative example includes asequence from a car assembly plant where EMG was recorded from the trapezius and the wrist extensor muscles of a worker, while he was video recorded when performing his regular work. A computerized implementation of the CubeModel was used to access an estimated ergonomic load value versus time. This value was plotted next to the EMGs amplitude rectified values. It was concluded that the developed method, SEIP, is easy to use, and pedagogic whencomparing different work methods. It unites observational methods and direct physiological measurements, offering the practicing ergonomist a more complete picture of the work being studied.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 09:29:55