Veille documentaire MTPH

Médecine du travail du personnel hospitalier

Working postures and physical activity among registered nurses

Auteur        Mark C. Schall
Auteur        Nathan B. Fethke
Auteur        Howard Chen
Volume        54
Pages        243-250
Publication        Applied Ergonomics
ISSN        1872-9126
Date        May 2016
Résumé        Nurses report a high prevalence of musculoskeletal discomfort, particularly of the low back and neck/shoulder. This study characterized the full-shift upper arm and trunk postures and movement velocities of registered nurses using inertial measurement units (IMUs). Intensity of occupational physical activity (PA) was also ascertained using a waist-worn PA monitor and using the raw acceleration data from each IMU. Results indicated that nurses spent a relatively small proportion of their work time with the arms or trunk in extreme postures, but had few opportunities for rest and recovery in comparison to several other occupational groups. Comparisons between nurses in different PA groups suggested that using a combination of accelerometers secured to several body locations may provide more representative estimates of physical demands than a single, waist-worn PA monitor. The findings indicate a need for continued field-based research with larger sample sizes to facilitate the development of maximally effective intervention strategies.

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