Summary
The purpose of the occupational medicine component of a joint research project was to study the effects of grip and push forces on the acute reaction of the hand-arm system under vibrating conditions. Several series of experiments were carried out by means of a vibration simulator in a laboratory environment in order to study biodynamic vibration behaviour, muscle response, skin temperature, shifts of the vibration perception threshold and the intensity of subjective vibration perception; in addition, field tests with hammer drills were conducted. On the whole, the findings obtained suggest that the coupling of the hand with the handle involved in using vibrating tools has a considerable impact on the stresses to which the hand-arm system is exposed. For this reason, future national and international rules and regulations on vibration assessment should take into consideration the effects of variations in coupling intensity.
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This research project, which was sponsored by the Federal Minister of Research and Technology in the framework of the “Arbeit and Technik” (Labour and Technology) Programme, was managed by the AuT project group of the DLR.
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Hartung, E., Dupuis, H. & Scheffer, M. Effects of grip and push forces on the acute response of the hand-arm system under vibrating conditions. Int. Arch Occup Environ Heath 64, 463–467 (1993). https://doi.org/10.1007/BF00517954
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DOI: https://doi.org/10.1007/BF00517954