Biomechanical Evaluation of Periprosthetic Femoral Fracture Fixation

by Rad Zdero, Richard Walker, James P. Waddell, and Emil H. Schemitsch

J Bone Joint Surg AmVolume 90(5):1068-1077

May 1, 2008

©2008 by The Journal of Bone and Joint Surgery, Inc.

Testing modes for the assessment of the fracture fixation constructs.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.

Axial stiffness results.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.

Lateral bending stiffness results.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.

Torsional stiffness results.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.

Axial load-to-failure results.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.

Axial failure modes for constructs A, B, C, and D.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.

The ratio of destructive test (axial load-to-failure) stiffness to nondestructive test axial stiffness for constructs A, B, C, and D. The error bars indicate the standard errors of the mean.

Rad Zdero et al. J Bone Joint Surg Am 2008;90:1068-1077

©2008 by The Journal of Bone and Joint Surgery, Inc.