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   Multifunction Device For Estimating Cardiorespiratory Fitness in the Step Tests  
نویسنده Siahkouhian Marefat
منبع Journal Of Advanced Sport Technology - 2017 - دوره : 1 - شماره : 2 - صفحه:2 -6
چکیده    Cardiorespiratory fitness tests have been always paramount and comprehensive evaluator for the different fitness levels. however, these are sophisticated techniques, time consuming, and usually expensive. design and manufacture of various sport equipments, especially in the field of cardiorespiratory fitness have exceptional importance. the aim of the present study was to design and manufacture a portable multifunction device for estimating the cardiorespiratory fitness for the step tests. 110 physically active young men (age: 18 to 22 years) have been chosen and divided into 11 experimental (strand-rhyming, billi-mirwald, techomesh, cotton, queens, mcardle, east-michigan, hodkins-scobik, osu, ymca, harvard step test) groups and each group performed a test by the device. microcontroller-based hardware was designed and programmed with the basic language. in this device, 11 different standard step test programs designed. in order to assess the agreement of the instrument during the different step tests, the estimated value obtained by the designed device and the routine method (manual procedure and calculations). to assess the reliability of estimated values in different tests, the test-retest method was implemented. results of statistical method using bland-altman and intraclass coefficient correlation (icc) showed that estimated cardiorespiratory fitness using designed device has very high agreement to the criterion (p≤0.001). according to the results, it can be concluded that designed multifunction device can be used as an accurate portable alternative system for estimating cardiorespiratory fitness in step tests.
کلیدواژه Design And Manufacture ,Hardware ,Software ,Step Tests ,Cardiorespiratory Fitness
آدرس University Of Mohaghegh Ardabili, ایران
پست الکترونیکی marefat_siahkuhian@yahoo.com

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