Abstract
The paper presents CaszOxiSys, a real-time system for monitoring and analyzing physiological signals during fitness activity. CaszOxiSys consists of non-invasive pair of physiological sensor (light-emitting diode & photodiode) wirelessly connected through Bluetooth to a netbook or laptop which analyses physiological data and presents it to the user in an intelligible and informative way. This paper focuses on an implementation of CaszOxiSys using a pulse oximeter to monitor the user's heart rate and oxygen saturation. This paper also describes, the Karvonen formula which calculates the target heart rate zone based on age, gender, resting heart rate, maximum heart rate, and fitness intensity level. The Karvonen formula acts as a guideline for fitness workout sessions. The proposed system works in a client-server architecture, where the clients system is used by the fitness center users and the server system is the central monitoring system(s) used by the fitness trainers. The paper also explains how physiological data is transmitted and describes the structure of the transmitted data between the pulse oximeter, client system and server system. CaszOxiSys provides a complete monitoring solution for fitness centers, allowing fitness trainers to monitor the fitness center users from a central or mobile location.
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