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http://dx.doi.org/10.1136/oemed-2015-103100 | DOI Listing |
Occup Environ Med
September 2015
Department of Biological & Biomedical Sciences, Aga Khan University, Karachi, Sindh, Pakistan.
Int Arch Occup Environ Health
November 2000
Department of Public Health Sciences, Trieste General Hospitals, University of Trieste, Italy.
Objectives: To investigate neural conduction in the upper limbs of symptomatic forestry workers with and without exposure to hand-transmitted vibration. A further aim was to assess the possible relationships between vibration exposure, nerve conduction and finger circulation in the forestry workers who used chain saws.
Methods: A detailed neurophysiological investigation was performed on the upper extremities of 20 chain saw workers, 20 forestry operators with heavy manual work but without vibration exposure, and 20 healthy male controls.
Clin Neurophysiol
July 1999
Istituto di Clinica delle Malattie Nervose e Mentali, Università di Siena, Policlinico le Scotte, Italy.
Objective: The aim of the study was to assess peripheral neural involvement induced by exposure to hand-arm vibration.
Methods: Twenty lumberjacks, working regularly with chain-saws and exposed to hand-arm vibration (group E) and 20 forestry workers performing heavy manual work and not exposed to vibration (group NE) were matched with a control group of 20 healthy non-manual workers (group C). The subjects of groups E and NE, all symptomatic, and of group C underwent extensive bilateral neurophysiological examination consisting of: sensory conduction (velocity and amplitude) of radial, median and ulnar nerves in digit-wrist segments; sensory conduction (velocity) of median nerve in wrist-elbow segment; mixed conduction (velocity and amplitude) of median and ulnar nerves in palm-wrist segments; motor conduction velocity, including distal motor latencies, and amplitude of median (elbow-wrist) and ulnar (elbow-wrist and across the elbow) nerves.
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