- Title
- Identification and analysis of manual materials handling tasks within a commercial warehouse in South Africa
- Creator
- Walraven, Lynne Louise
- Subject
- Materials handling -- Safety measures
- Subject
- Industrial safety -- South Africa
- Subject
- Lifting and carrying -- Safety measures
- Date Issued
- 1989
- Date
- 1989
- Type
- Thesis
- Type
- Masters
- Type
- MA
- Identifier
- vital:5159
- Identifier
- http://hdl.handle.net/10962/d1015722
- Description
- Lifting and overstraining are major causative factors related to musculoskeletal injuries and low back pain. A great number of work-related injuries arise from the handling and/or mishandling of materials. Hence there is a need to quantify risk factors in situ and develop guidelines for safe lifting practises in industry. The aim of this study was to make appropriate in situ quantification, within a commercial warehouse, of the stresses and physical demands imposed on the worker when performing two handed lifts in the sagittal plane. The performance of employees was assessed under normal working conditions through an observational methodology of data collection. Task performance evaluation was based on detailed measurement of all containers handled, an activity and time analysis, and the 'Work Practices Guide to Manual Lifting’ (NIOSH, 1981) which was used as the primary guide to developing theoretical recommendations to probable MMH risk factors for the workers involved. Of the 191 tasks analysed 103 were deemed unsuitable. Appropriate task factor adjustments were made where necessary to both the frequency and Hfactors (horizontal distance between the centre of gravity of the container and that of the worker) in order to reduce the risk factor for the workers
- Format
- 203 leaves
- Format
- Publisher
- Rhodes University
- Publisher
- Faculty of Science, Human Movement Studies
- Language
- English
- Rights
- Walraven, Lynne Louise
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RU Department of Human Kinetics and Ergonomics
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