Development of a low-cost continuous passive motion machine for the enhanced rehabilitation of elderly individuals with osteoarthritis
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Abstract
With the increasing global prevalence of osteoarthritis and the expansion of the aging population, this research presents an innovative low-cost continuous passive motion (CPM) machine tailored to meet the specific rehabilitation needs of elderly individuals, particularly those grappling with osteoarthritis. The primary aim of this study was to address the increasing demand for effective knee rehabilitation tools in this population. The newly developed CPM machine offers a versatile range of features, allowing users to customize the treatment times, knee joint motion angles, and speed levels. Statistical analysis demonstrated the accuracy and reliability of the machine, which is designed for knee rehabilitation in elderly individuals. A one-way ANOVA showed no significant difference between the machine’s performance and control units, both in terms of the angle replication and time measurements. The precision and consistency of the device were underscored by the close alignment of the CPM machine with goniometer measurements and the minimal error in time measurements, which did not exceed 2.66% and 0.13% during the first 20 minutes of use. These statistical findings confirm the efficacy of the CPM machine in delivering reliable and accurate knee rehabilitation, with potential benefits for improving quality of life and mobility.
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