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Posture analysis among Flemish secondary school teachers : difference between the use of chalkboards and electronic schoolboards during classroom teaching.

Tijdschriftbijdrage - Tijdschriftartikel

The aim of this study was to (i) make a posture analysis of teachers during theoretical classroom teaching; (ii) to estimate the risk for the development of musculoskeletal problems (MSP); (iii) test the hypotheses that an electronic school board (EB) has more ergonomic advantages for teachers. Thirty-five secondary school teachers, of which 15 used an EB and 20 used chalkboards, were selected by convenience sampling and filmed during 30 min of a theoretical course. Posture analysis of back, arms, legs and risk assessment was performed using the Ovako Working Posture Analysis System. Most of the teachers’ postures did not indicate a higher risk for MSP. However, some postures may be harmful when accumulated for several hours of teaching a day; especially, long periods of standing and standing with a bended back. Results also indicated that currently the use of an EB does not improve teachers’ posture.
Practitioner Summary: The relationship between objectively measured physical work load and risk for injuries among teachers was not analysed so far. In this study teachers’ posture was analysed using the OWAS method. Prolonged standing and forward bending were identified as risk postures. Also, using an electronic school board currently does not improve posture.
Tijdschrift: Ergonomics
ISSN: 0014-0139
Issue: 11
Volume: 59
Pagina's: 1487-1493
Jaar van publicatie:2016
Trefwoorden:electronic school board, OWAS, School teacher, posture analysis
CSS-citation score:1
Auteurs:International
Toegankelijkheid:Open