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- Hazards and exposures:
- Bodily motions
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- Standing
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- Fixed or awkward postures
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- Repetitive motions
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- Stooping
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- Squatting
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- Lifting or lowering
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- Kneeling
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- Crawling
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Results 1 - 10 of 36
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8/1/2011 - Peer reviewed journal articlesFor 10 subjects in four postures, euler angle decomposition and inverse dynamics were used to determine the knee angles, the net forces, and the moments applied to the tibia during kneeling and squatting with and without kneepads.
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7/1/2011 - Reports of InvestigationsThis document consists of a series of demonstrations designed to complement training on ergonomic principles.
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12/1/2010 - Peer reviewed journal articlesThis study examines stress transmitted to anatomic landmarks of the knee (patella, combined patella tendon, and tibial tubercle) while in static kneeling postures without kneepads and while wearing two kneepads commonly used in the mining industry.
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9/1/2009 - Peer reviewed journal articlesThis study uses biomechanical modeling to estimate external moments about L5-S1 for sixteen lifting tasks, using two sizes of wire mesh screens, and presents recommendations to reduce spine loading.
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2/22/2023 - Contracts and cooperative agreementsA contract with Virginia Tech University to research exoskeletons as an innovative approach to prevent musculoskeletal disorders in surface stone mining.
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8/30/2022 - Research areasManual Materials Handling
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2/1/2013This publication by NIOSH is a systematic literature review of epidemiological studies that examines the interaction of force and repetition with respect to musculoskeletal disorder risk.
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3/1/2012 - Peer reviewed journal articlesThe objective of this study was to determine low-seam mine worker exposure to various postures as they pertain to job classifications and job tasks.
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6/1/2011 - Reports of InvestigationsConsidering the potential impact of three biomechanical parameters - prolonged kneeling, crawling, and twisting on one's knees - several recommendations are made regarding when it may be most appropriate for mine workers to use specific postures.
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1/1/2011 - Peer reviewed journal articlesNine participants, six males and three females, participated in a study examining kinematic and electromyographic (EMG) responses to natural cadence stoopwalking, four-point crawling (all fours), and two-point crawling (knees only).
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Content source: National Institute for Occupational Safety and Health, Mining Program