From the *Department of Physical Therapy, University of Pittsburgh,
†Centers for Rehab Services, Pittsburgh, and the
‡Comprehensive Spine Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Funded by a Clinical Research Center grant from the Foundation for Physical Therapy.
Acknowledgment date: May 17, 2001.
First revision date: August 9, 2001.
Second revision date: October 25, 2001.
Acceptance date: November 27, 2002.
The submitted manuscript does not contain information about medical devices or drugs.
Foundation funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this article.
Address correspondence and reprint requests to Julie M. Fritz, PhD, PT, Department of Physical Therapy, University of Pittsburgh, 6035 Forbes Tower, Pittsburgh, PA 15260; E-mail: [email protected]
