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Are the threshold limit values (TLVS®) for lifting proposed by the American Conference of Governmental Industrial Hygienists independent of gender and anthropometry?

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dc.contributor.advisor Jorgensen, Michael J.
dc.contributor.author Zarzar, Muci Jose Chali
dc.date.accessioned 2010-12-09T22:19:39Z
dc.date.available 2010-12-09T22:19:39Z
dc.date.copyright 2010 en
dc.date.issued 2010-05
dc.identifier.other t10052
dc.identifier.uri http://hdl.handle.net/10057/3343
dc.description Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Industrial and Manufacturing Engineering. en
dc.description.abstract Low back disorders remains the top musculoskeletal disorder across several industries, where lifting is commonly associated as a major risk factor in the workplace. Researchers have developed numerous assessment methods to identify high-risk jobs, where the ACGIH Lifting Threshold Limit Values (TLV) assessment method one of the most recent methods, providing guidelines to protect virtually any individual with a certain duration, frequency, and horizontal and vertical distance, protecting the individual from work-related shoulder and/or low back disorders associated with lifting. Several research voids were found for the ACGIH Lifting TLV method regarding gender, anthropometry, acquire versus placing an object, horizontal distance, and when the origin and final destination differs. A controlled experiment utilizing the probability of the Low Back Disorder (LBD) Risk using the Industrial Lumbar Motion Monitor (iLMM) was conducted to assess these voids. The experimental task consisted of lifting a box with handles from randomly selected locations of two vertical and four horizontal distances, to a fixed destination adjusted to each individual‟s waist height. Eighteen anthropometry-gender mixed subjects acquired and placed the box four times from each zone, with a complete interval of fifteen seconds each time. Results showed that essentially there is no significant difference among either gender or anthropometry raging within low- to medium- LBD Risk probabilities. In conclusion, the ACGIH lifting TLVs table for frequent lifting tasks appears to be appropriate to be applied regardless gender or anthropometry in the workplace environment with similar lifting conditions as described in the method. Also may be used to assess both origin and destination of the lifting task. en
dc.format.extent xiii, 62 p. en
dc.format.extent 2526032 bytes
dc.format.extent 1843 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.language.iso en_US en
dc.publisher Wichita State University en
dc.rights Copyright First Name Last Name, 2010. All rights reserved en
dc.subject.lcsh Electronic dissertations en
dc.title Are the threshold limit values (TLVS®) for lifting proposed by the American Conference of Governmental Industrial Hygienists independent of gender and anthropometry? en
dc.type Thesis en

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