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Type: Journal article
Title: Determining rotational deformity in broken forearms
Author: Stokes, Y.
Citation: Australia and New Zealand Industrial and Applied Mathematics (ANZIAM) Journal, 2003; 44(4):561-568
Publisher: Australian Mathematical Society
Issue Date: 2003
ISSN: 1446-1811
Statement of
Y. M. Stokes
Abstract: To assess rotational deformity in a broken forearm, an orthopaedic surgeon needs to determine the amount of rotation of the radius from one or more two-dimensional x-rays of the fracture. This requires only simple first-year university mathematics --- rotational transformations of ellipses plus a little differential calculus --- which yields a general formula giving the rotation angle from information obtained from an x-ray. Preliminary comparisons with experimental results are excellent. This is a practical problem that may be useful to motivate the teaching of conic sections.
Description: © Australian Mathematical Society 2003
DOI: 10.1017/S144618110001292X
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Appears in Collections:Applied Mathematics publications
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