A New Method for Determining Cross-Sectional Shape and Area of Soft Tissues

[+] Author and Article Information
Thay Q. Lee

STAMP Program, Long Beach Veterans Administration Medical Center, and Department of Orthopaedics, University of California, Irvine, Orange, Calif. 92668

Savio L-Y. Woo

Orthopaedic Bioengineering Laboratory, San Diego Veterans Administration Medical Center, and University of California, San Diego, La Jolla, Calif. 92030

J Biomech Eng 110(2), 110-114 (May 01, 1988) (5 pages) doi:10.1115/1.3108414 History: Received December 18, 1987; Revised March 01, 1988; Online June 12, 2009


Assessment of the mechanical properties of soft tissues requires accurate measurement of the cross-sectional area. To date, techniques for determining cross-sectional areas of ligaments and tendons have been less than ideal due to the tissues’ complex geometries and the fact that they deform easily under an applied external load. A new procedure has been developed for determining the cross-sectional area by means of an image reconstruction technique based on measurements from collimated laser beams. Using this procedure, the actual shape of the specimen cross-section can also be determined. The results are demonstrated to be highly accurate, and this methodology does not require mechanical contact with the specimen.

Copyright © 1988 by ASME
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