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PHYS THER
Vol. 75, No. 2, February 1995, pp. 116-118
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Author Response

Mark W Rogers, Timothy A Hanke and Yi-Chung Pai

This excerpt was created in the absence of an abstract.

We appreciate the opportunity to respond to Dr Di Fabio's commentary. We share his concerns about the use of information derived exclusively from studies of healthy subjects to establish criterion standards for the practice of physical therapy. We will address the main points raised in the commentary, along with additional considerations pertaining to the broader issue of the use of research findings from healthy persons.

Validity of the Outcome Measures and Their Relevance to Subject Performance

One of Dr Di Fabio's main concerns relates to our choice of the outcome measure. Our primary argument in this article was that an impulse-momentum approach, which provides data pertaining to measurements of center-of-mass momentum (CMM), can quantify a key balance requirement of sit-to-stand (STS). We were equally concerned with the validity and clinical utility of CMM as an outcome measure as we were with the reliability of the measurements.


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Related Articles

Reliability of Measurements of Body Center-of-Mass Momentum During Sit-to-Stand in Healthy Adults
Timothy A Hanke, Yi-Chung Pai, and Mark W Rogers
Physical Therapy 1995 75: 105-113. [Abstract] [PDF]

Invited Commentary
Richard P Di Fabio
Physical Therapy 1995 75: 113-115. [Abstract] [PDF]





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Copyright © 1995 by the American Physical Therapy Association.