Comparison of the sensitivity of three psychophysical techniques to three manual materials handling task variables
Article Abstract:
Principles of psychophysics have been used in the area of industrial manual materials handling primarily to determine the maximum acceptable weight for lifting. A study was therefore conducted to investigate three psychophysical techniques for physical stress determination to determine their comparative absolute and relative value and sensitivity in varied manual materials handling tasks. Results of the study are discussed.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 1999
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The effects of a sloped ground surface on trunk kinematics and L5/S1 moment during lifting
Article Abstract:
The effect of ground slope angle and lifting technique on the L5/S1 joint moment and lifting kinematics during sagittally symmetric lifting tasks is investigated. An intersecting interaction effect is observed wherein the net L5/S1 moment was relatively insensitive to changes in slope angle under the back lift condition, but showed a significant effect during the leg lift and freestyle lifting conditions.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 2004
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Surface exploration using laparoscopic surgical instruments: The perception of surface roughness
Article Abstract:
Inexperienced laparoscopic users are able to perceive surface roughness while using their index finger and while using a laparoscope instrument as probes. The removal of vision has an impact on the perception of surface roughness and that differing force control strategies exist.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 2005
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