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A biomechanical analysis of a bolter cable pulling task.

Authors
Hamrick-CA; Gallagher-S; Redfern-MS
Source
Advances in Industrial Ergonomics and Safety VI. Aghazadeh F, ed., New York: Taylor and Francis, 1994 Jun; 6:645-651
Link
NIOSHTIC No.
20030860
Abstract
Seven experienced miners performed a bolter cable pulling task while ground reaction forces and cable tension were measured. The independent variables were two levels of cable resistance (low and high) and lifting conditions (kneeling, stooping under a 1.2 m [48"] roof, stooping under a 1.5 m [60"] roof, and unrestricted standing). Work posture significantly affected the peak cable tension and the peak shear force resultant angle. These variables were highest in the kneeling condition, indicating that there is less postural stability when performing cable pulling tasks in a kneeling posture. Thus, there may be a greater likelihood of injury due to increased muscle forces or slips and falls in this posture. Therefore, it is imperative that engineering controls be utilized to minimize the amount of cable handling tasks that need to be performed.
Keywords
Musculoskeletal-system-disorders; Biomechanics; Ergonomics; Workplace-studies; Muscle-tension; Musculoskeletal-system; Back-injuries; Human-factors-engineering; Cables; Mining-industry; Coal-mining; Underground-mining; Underground-miners; Posture
Publication Date
19940601
Document Type
Conference/Symposia Proceedings
Editors
Aghazadeh-F
Fiscal Year
1994
NTIS Accession No.
NTIS Price
ISBN No.
0748400850
NIOSH Division
PRC
Source Name
Advances in Industrial Ergonomics and Safety VI. Proceedings of the Annual International Industrial Ergonomics and Safety Conference held in San Antonio, Texas, 7-10 June 1994. The Official Conference of the International Foundation for Industrial Ergonomics and Safety Research
State
TX; PA
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