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Mechanical impedance of the human hand-arm system
Luleå tekniska universitet.
Luleå tekniska universitet.
1989 (English)In: International Journal of Industrial Ergonomics, ISSN 0169-8141, E-ISSN 1872-8219, Vol. 3, no 3, p. 235-242Article in journal (Refereed) Published
Abstract [en]

Summary The mechanical impedance of the hand and arm was studied on ten healthy subjects during exposure to sinusoidal vibration within the frequency range of 2 to 1000 Hz. A special handle for the measurements was constructed. The influence of vibration direction, handle grip, grip force, vibration level, hand-arm posture and sex as well as anthropometric data were studied. The results show that the impedance of the hand-arm mainly depends on the frequency and direction of the vibration stimuli. Higher vibration levels, as well as more firm hand-grips, resulted in higher impedance. Furthermore, the outcome shows that experiments conducted with different hand-arm postures had an active influence on the mechanical impedance. Moreover, the subjects' sex and constitution of the hand and arm affected the impedance to a large extent.

Place, publisher, year, edition, pages
1989. Vol. 3, no 3, p. 235-242
National Category
Fluid Mechanics and Acoustics
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-4150Local ID: 20ac14b0-c0df-11db-834c-000ea68e967bOAI: oai:DiVA.org:ltu-4150DiVA, id: diva2:977014
Note
Godkänd; 1989; 20060914 (biem)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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