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Title: Quantitative analysis of the effects of audio biofeedback on weight-bearing characteristics of persons with transtibial amputation during early prosthetic ambulation
Authors: Chow, DHK
Cheng, CTK
Issue Date: May-2000
Source: Journal of rehabilitation research and development, May/June 2000, v. 37, no. 3, p. 255-260
Abstract: Residual limb recovery after a transtibial amputation depends largely on close monitoring of the weight-bearing activities during the early postoperative stage. Although a biofeedback device, in particular audio biofeedback, was recommended to be used, no quantitative studies regarding its effectiveness in monitoring the weight-bearing activity of a person with amputation were available. In this study, six persons with transtibial amputations were asked to replicate a prescribed amount of weight bearing using a bathroom scale method during their early postoperative ambulatory training. Their weight-bearing characteristics with and without using audio biofeedback were continuously monitored using a load-monitoring device and compared with the prescribed load. The results showed that the residual limb would be overloaded using the conventional bathroom scale method during early postoperative ambulatory training if no audio biofeedback were provided. It was demonstrated that audio biofeedback was useful in preventing the residual limb from being overloaded beyond the prescribed load particularly when the prescribed load was low.
Keywords: Audio biofeedback
Load monitoring device
Transtibial amputation
Weight bearing
Publisher: U.S. Department of Veterans Affairs, Rehabilitation Research and Development Service
Journal: Journal of rehabilitation research and development 
ISSN: 0748-7711
Rights: The article is available at http://www.rehab.research.va.gov/jour/00/37/3/chow.htm
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