A portable system has been developed based on mobile telephony to remotely monitor the mobility of subjects as they perform their activities of daily living in their home environment. The system will continually monitor the person's mobility using accelerometers and a portable, battery-powered data acquisition unit. The mobility data is transmitted hourly, using the GSM network, to a specially developed central database. Each subject's mobility trends are monitored using custom-designed mobility alert software and the appropriate medical personnel are alerted, by SMS, if a reduction in the subject's mobility levels is detected. It is expected that this system would reduce the financial burden on health boards, by allowing elderly subjects to remain in their home environment, which is their preferred option.
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