Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/309
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Type: Journal article
Title: Determining rotational deformity in broken forearms
Author: Stokes, Y.
Citation: The ANZIAM Journal, 2003; 44(4):561-568
Publisher: Australian Mathematical Society
Issue Date: 2003
ISSN: 1446-1811
1446-8735
Statement of
Responsibility: 
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
RMID: 0020030658
DOI: 10.1017/S144618110001292X
Published version: http://www.austms.org.au/Publ/ANZIAM/V44P4/1909.html
Appears in Collections:Applied Mathematics publications

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