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Volume 3, Issue 1 (Journal of Ergonomics 2015)
Iran J Ergon 2015, 3(1): 17-24 |
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Morshedi R, Boazar M, Afshari D, Ahmadi angali K, Malek zadeh M. Biomechanical analysis of manual lifting of loads and ergonomics solutions for nursing assistants. Iran J Ergon 2015; 3 (1) :17-24
URL: http://journal.iehfs.ir/article-1-164-en.html
URL: http://journal.iehfs.ir/article-1-164-en.html
Raziyeh Morshedi1 
, Matreh Boazar2 , Davood Afshari * 3, Kambiz Ahmadi angali2 , Maryam Malek zadeh2
, Matreh Boazar2 , Davood Afshari * 3, Kambiz Ahmadi angali2 , Maryam Malek zadeh2
1- Occupational Health Engineer, member of ilam University of Medical Sciences
2- School of Health Ahvaz Jundishapur University of Medical Sciences
3- School of Health Ahvaz Jundishapur University of Medical Sciences ,afshari@ajums.ac.ir
2- School of Health Ahvaz Jundishapur University of Medical Sciences
3- School of Health Ahvaz Jundishapur University of Medical Sciences ,
Abstract: (26066 Views)
Introduction: Manual handling of loads and carrying tasks widely exists in many occupations. Hospital staff because of Manual carrying of loads, are at increased risk of musculoskeletal disorders. Incorrect lifting methods, is an important risk factor for low back pain. The aim of this study was to analyze the biomechanical loads on the lumbar of nurses-aid in manual handling activities of serum cartons 12.5 kg in hospital and provide ergonomic solutions is the prevention of back pain.
Methods: This study was conducted one of the hospitals in Ahvaz city in year 1392. evaluated Postures were sampled through observation and photography. Then load lifting of complex index, was calculated by NIOSH equation and estimate the compressive forces on vertebras L5/ S1 as a quantitative index using software 3 D SSPP, during 2 stages before and after the intervention. The results of tests using Correlation, Regression and T-test were analyzed
Results: The results showed that the highest RWL in the top row 89/9 kg and minimum on the bottom row was 44/5 kg. The highest and lowest compressive force was estimated in the bottom and top rows, respectively, 6727 and 3707 Newton. Results of statistical tests showed significant reduction between the load lifting of complex index(CLI), and the compressive force average before and after the reform is the work station.
Conclusion:Throgh biomechanical analysis of work stations with two methods quantitatively and qualitatively can be made more accurate assessment and ergonomic conditions at work stations can be modified more accurately.
Type of Study: Research |
Subject:
Other Cases
Received: 2014/12/31 | Accepted: 2015/06/8 | ePublished: 2015/06/8
Received: 2014/12/31 | Accepted: 2015/06/8 | ePublished: 2015/06/8
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
