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Computerized Biofeedback Knee Goniometer: Acceptance And Effect On Exercise Behavior In Post-Total Knee Arthroplasty Rehabilitation, Todd Kuiken, Hagay Amir, Robert Scheidt
Computerized Biofeedback Knee Goniometer: Acceptance And Effect On Exercise Behavior In Post-Total Knee Arthroplasty Rehabilitation, Todd Kuiken, Hagay Amir, Robert Scheidt
Robert Scheidt
Objective To assess device accuracy, patient acceptance, and effect of a computerized biofeedback knee goniometer (CBG), on patients’ compliance with active range of motion (AROM) exercises after total knee arthroplasty (TKA). Design Two-stage study: measurement validation on asymptomatic controls and an unblinded, multiple crossover trial. Setting Inpatient rehabilitation. Participants Asymptomatic controls (n=14) and post-TKA inpatients (n=11). Interventions For measurement validation, CBG-angle measurements were compared with manual, clinician-obtained angles. To assess motivational effect, the CBG was worn after TKA; on alternating days, it either monitored AROM silently (no feedback) or provided audiovisual feedback about reaching preset range of motion (ROM) goals …