Archives of Physical Medicine and Rehabilitation
Volume 88, Issue 11 , Pages 1446-1451 , November 2007

Normalizing Lower-Extremity Strength Data for Children Without Disability Using Allometric Scaling

  • Tishya A. Wren, PhD

      Affiliations

    • Children’s Orthopaedic Center, Children’s Hospital Los Angeles, Los Angeles, CA
    • Departments of Orthopaedics, Radiology, and Biomedical Engineering, University of Southern California, Los Angeles, CA
    • Corresponding Author InformationReprint requests to Tishya A. Wren, PhD, 4650 Sunset Blvd #69, Los Angeles, CA 90027
  • ,
  • Jack R. Engsberg, PhD

      Affiliations

    • Human Performance Laboratory, Barnes-Jewish Hospital, St. Louis, MO
    • Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO.

  • Image Result

    Linear regression of mass-normalized torques versus body mass. Abbreviations: abd, abduction; add, adduction; DF, dorsiflexion; ext, extension; flex, flexion; max, maximum; PF, plantarflexion;

    Linear regression of mass-normalized torques versus body mass. Abbreviations: abd, abduction; add, adduction; DF, dorsiflexion; ext, extension; flex, flexion; max, maximum; PF, plantarflexion;

  • Image Result

    Linear regression of torques normalized using allometric scaling with empirically determined scaling exponents (bmusc) versus body mass. Abbreviations: see fig 1.

    Linear regression of torques normalized using allometric scaling with empirically determined scaling exponents (bmusc) versus body mass. Abbreviations: see fig 1.

 Supported by the National Institute for Neurological Disorders and Stroke, National Institutes of Health (grant no. R01 NS35830).

 No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the author(s) or upon any organization with which the author(s) is/are associated.

PII: S0003-9993(07)01289-0

doi: 10.1016/j.apmr.2007.06.775

Archives of Physical Medicine and Rehabilitation
Volume 88, Issue 11 , Pages 1446-1451 , November 2007