Title
Effect of ship motion on spinal loading during manual lifting
Author
Faber, G.S.
Kingma, I.
Delleman, N.
van Dieën, J.
Publication year
2008
Abstract
This study investigated the effects of ship motion on peak spinal loading during lifting. All measurements were done on a ship at sea. In 1-min trials, which were repeated over a wide range of sailing conditions, subjects lifted an 18 kg box five times. Ship motion, whole body kinematics, ground reaction forces and electromyography were measured and the effect of ship motion on peak spinal moments and compression forces was investigated. To investigate whether people time their lifts in order to reduce the effect of ship motion on back loading, trials were performed at a free and at a constrained (lifting every 10s) work pace. With increase of the (local) vertical ship acceleration, increased moments and compression forces were found. Furthermore, lifting at a free work pace did not result in smaller effects of ship motion on spinal moments and compression forces than working at a constrained work pace.
Subject
Lifting
Low back
Ship acceleration
Ship motion
Spinal loading
Data compression
Compression forces
Ground reaction forces
Lifting
Low back
Manual lifting
Sailing conditions
Ship acceleration
Ship motion
Ship motions
Spinal loading
Whole body
Ships
acceleration
adult
article
biomechanics
controlled study
electromyography
ground reaction force
human
human experiment
job performance
low back pain
male
motion analysis system
muscle force
normal human
ship
spinal cord compression
task performance
work environment
workload
Adult
Humans
Lifting
Male
Middle Aged
Motion
Oceans and Seas
Ships
Spine
Task Performance and Analysis
Weight-Bearing
Young Adult
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DOI
https://doi.org/10.1080/00140130802120242
TNO identifier
240988
ISSN
0014-0139
Source
Ergonomics, 51 (9), 1426-1440
Document type
article