A dynamic model of a healing fractured long bone

Jack L. Lewis

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

A model consisting of two elastic rods joined by a compliant element capable of bending and shear deformation is presented as a model of a long bone with a healing fracture. Resonant frequencies and mode shapes for a range of element stiffness are presented as well as the acceleration of one end of the model due to a force-time of sin2 ( π 600 × 10-6)t variation applied at the other end. Experiments are run with elements of epoxy and urethane rubber and results compared with the theoretical response. The implications of the model behavior to a patient test technique in which the impact response of a healing fractured long bone is used as a measure of the healing state is discussed.

Original languageEnglish (US)
Pages (from-to)17-25
Number of pages9
JournalJournal of Biomechanics
Volume8
Issue number1
DOIs
StatePublished - 1975

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