A technique for fast and accurate measurement of hand volumes using Archimedes' principle
Hughes, Stephen William & Lau, Jaclyn (2008) A technique for fast and accurate measurement of hand volumes using Archimedes' principle. Australasian Physical and Engineering Sciences in Medicine, 31(1), pp. 56-59.
A new technique for measuring hand volumes using Archimedes principle is described. The technique involves the immersion of a hand in a water container placed on an electronic balance. The volume is given by the change in weight divided by the density of water. This technique was compared with the more conventional technique of immersing an object in a container with an overflow spout and collecting and weighing the volume of overflow water. The hand volume of two subjects was measured. Hand volumes were 494 ± 6 ml and 312 ± 7 ml for the immersion method and 476 ± 14 ml and 302 ± 8 ml for the overflow method for the two subjects respectively. Using plastic test objects, the mean difference between the actual and measured volume was -0.3% and 2.0% for the immersion and overflow techniques respectively. This study shows that hand volumes can be obtained more quickly than the overflow method. The technique could find an application in clinics where frequent hand volumes are required.
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|Item Type:||Journal Article|
|Keywords:||Archimedes', hand volume, water displacement, lymphodema, swelling|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Physical & Chemical Sciences
|Copyright Owner:||Copyright 2008 Australasian College of Physical Scientists and Engineers in Medicine|
|Deposited On:||30 Apr 2009 01:41|
|Last Modified:||29 Feb 2012 13:53|
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