A comparative survey on forces exerted to low back in patient manual handling

Allahyari, Teymour; Hedayati, Sara; Khalkhali, Hamidreza; Ghaderi, Fariba

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Volume 2, Issue 2 (Journal of Ergonomics 2014) Iran J Ergon 2014, 2(2): 1-8 | Back to browse issues page

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Allahyari T, Hedayati S, Khalkhali H, Ghaderi F. A comparative survey on forces exerted to low back in patient manual handling. Iran J Ergon 2014; 2 (2) :1-8
URL: http://journal.iehfs.ir/article-1-74-en.html

A comparative survey on forces exerted to low back in patient manual handling

Teymour Allahyari¹

, Sara Hedayati ^*

², Hamidreza Khalkhali¹

, Fariba Ghaderi³

1- Urmia Medical Sciences University
2- Urmia Medical Sciences University , sarah.hedayati@yahoo.com
3- Tabriz Medical Sciences University

Abstract: (24944 Views)

Background: Patient Manual handling is one of the major risk factors in musculoskeletal disorders among healthcare workers (HCWs). Therefore, the purpose of this study was to estimate the mechanical force on the low back of the staff responsible for patient manual handling and to exam in the effect of patient manual handling by two people on the level forces exerted on HCWs ҆ low back. methods: the participants of this study were 10 health care workersdoing patient manual handling individually and by two people . To determine the posture of these people, we filmed them both from front and side and force plate was used to determine the weight of the patient handling by HCWs. 3DSSPP was used to estimate theforces exerted on the their low back during patient manual handling. Results: Results showed that among the four studied tasks, the maximum compression forces exerted on discs L4/L5 and L5/S1 were 3591 ± 863 and 3342 ± 827 respectively when the patient was seated on wheelchair. The Maximum shear force exerted on the disc L4/L5 and L5/S1 were 252 ± 122 432 ± 36 N respectively when patient was seated on the bed. No significant difference was seen in the average forces exerted on low back except seating patient on wheelchair. ( P> 0.05) Conclusions: The comparison of exerted force on disks with recommended limits revealed that only the task of placing patient on wheelchair exerted force on low back exceed NIOSH recommended weight limit. patient manual handling by two people most tasks of this study does not created significant difference. Therefore to reduce exert force on low back need ergonomic intervention including bed design, beds appropriate stabilization, training.

Keywords: patient manual handling, low back pain, forces exerted on low back.

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Type of Study: Research | Subject: Other Cases
Received: 2014/03/6 | Accepted: 2014/09/15 | ePublished: 2014/09/21