SwePub - search: WFRF:(Vik Tore)

Enumeration	Reference	Cover	Find
1.	Ostensvik, Tove, et al. (author) Work exposure and complaints in a sample of French and Norwegian forest machine operators. A comparative field study within the ErgoWood programme. 2005 Reports (other academic/artistic)abstract The aim of the present work is to evaluate muscle activity pattern, psychosocial working conditions and self-reported complaints of fatigue and pain in the neck, shoulders and forearms in two samples of forest machine operators driving harvesters in France and Norway. The EMG readings from four muscle groups were analysed in predetermined periods of sustained low level muscle activity (SULMA), ranging from 1.2-5 seconds up to > 20 minutes. The main result was the similarity between operators of the two different countries. Tendencies were found for higher static muscle activity and less muscular relaxation in all evaluated muscles in the French operators, but significant only for the right trapezius muscle. However, the level of muscular complaints was significantly higher among the Norwegian operators. The amount of both short and long SULMA was not significantly higher in the Norwegian group for the right side. This indicates that the amount of low-level muscle activity could be of higher importance than the gaps, or that the gaps are too short to have effect in reducing risk for discomfort or pain. The results indicate that the introduction of the SULMA concept may be of importance as a method for MSD risk assessment. Future work should concentrate on exploring the best linkage between SULMA and muscular complaints.

Ostensvik, Tove, et al. (author)
Work exposure and complaints in a sample of French and Norwegian forest machine operators. A comparative field study within the ErgoWood programme.
2005
Reports (other academic/artistic)abstract
- The aim of the present work is to evaluate muscle activity pattern, psychosocial working conditions and self-reported complaints of fatigue and pain in the neck, shoulders and forearms in two samples of forest machine operators driving harvesters in France and Norway. The EMG readings from four muscle groups were analysed in predetermined periods of sustained low level muscle activity (SULMA), ranging from 1.2-5 seconds up to > 20 minutes. The main result was the similarity between operators of the two different countries. Tendencies were found for higher static muscle activity and less muscular relaxation in all evaluated muscles in the French operators, but significant only for the right trapezius muscle. However, the level of muscular complaints was significantly higher among the Norwegian operators. The amount of both short and long SULMA was not significantly higher in the Norwegian group for the right side. This indicates that the amount of low-level muscle activity could be of higher importance than the gaps, or that the gaps are too short to have effect in reducing risk for discomfort or pain. The results indicate that the introduction of the SULMA concept may be of importance as a method for MSD risk assessment. Future work should concentrate on exploring the best linkage between SULMA and muscular complaints.

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