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02/02/2015 Sai Yalla, PhD, et al.
Scholl Faculty Publishes Study on Custom Balance AFOs (Doug Richie, DPM)
The authors would like to thank Dr. Richie for his interest in the publication. It is admittedly difficult to review an entire study within the confines of a PMNews brief. The original PMNews story did indicate all balance measures improved. This was intended to reference the assessment of body sway during standing trials, as well as the media-lateral sway during functional reach test.
The center of mass sway while standing was reduced with AFO use during both the eyes open and closed evaluations. The “functional reach tests” demonstrated a significant improvement in medial lateral postural coordination during the execution of the reach when AFOs were worn.
While there was an improvement in the control of the execution of the reaching task, Dr. Richie correctly identified that reach distance did not significantly increase. In referencing the balance results Dr. Richie also made reference to the Timed Up and Go Tests. The time duration for that test did not improve and the authors did not intend to imply they did. This test was not considered a measure of “balance.”
This test which was previously developed by others, is intended to be a fall risk test. Balance can impact the score (time), but the test simply measures the time to rise from a chair, walk ten feet, turn around, walk back and sit down again. Balance is only one factor that influences these times.
Based upon the times taken to the complete the test, no conclusions specifically about balance can be made. The critical and objective evaluation of any treatment (device, pharmaceutical, rehabilitative, etc.) is a long and arduous task. This publication represents an initial investigation upon the immediate effect of the AFO within a purposefully non-restrictive sample of elderly individuals.
Larger prospective studies are indeed needed to verify any long term benefit of the device. We thank PM News for sharing the link to the peer- reviewed publication in Clinical Biomechanics and allowing readers the opportunity to obtain a more thorough understanding of the study.
Sai Yalla, PhD, Ryan Crews, MS, Adam Fleischer, DPM, MPH, Gurtej Grewal, PhD, Jacquelyn Ortiz, CCRP, Bijan Najafi, PhD
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