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Year : 2018  |  Volume : 7  |  Issue : 3  |  Page : 159-164

Applicability of android application-based metronome in physiological tests

1 Department of Physiology, MKCG Medical College, Ganjam, Odisha, India
2 Department of Physiology, Medical College and Hospital, Kolkata, West Bengal, India

Correspondence Address:
Dr. Himel Mondal
Department of Physiology, MKCG Medical College, Ganjam - 760 004, Odisha
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijhas.IJHAS_178_16

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BACKGROUND: Metronomes are commonly used by musicians for maintaining desired tempo. It is being used in various physiological tests for decades. Software application-based metronomes are available free of cost for Android devices. AIM: The aim of the study was to evaluate the applicability of android application-based metronome for physiological tests. MATERIALS AND METHODS: “Study of Human Fatigue by Mosso's Ergograph” and “Queens College Step Test for V.O2 maxmeasurement” were carried out in control group (n = 7) aided with mechanical metronome and in the test group (n = 7) with android application metronome. Ratio of error events to total events were recorded for each test. The sound pressure level (SPL) (dB) was measured for mechanical and android application metronome for comparison. STATISTICAL ANALYSIS: Data were expressed in mean and standard deviation. Unpaired t-test was used to compare mean of study and control group. RESULTS: The ratio of error in synchronized flexion to total flexion events of finger in “Study of Human Fatigue by Mosso's Ergograph” with mechanical metronome (0.047 ± 0.008) was significantly (P = 0.0003) higher than android application metronome (0.026 ± 0.007). The ratio of error in steps to total steps in “Queens College Step Test for V.O2 maxmeasurement” with mechanical metronome (0.012 ± 0.007) and android application metronome (0.013 ± 0.005) was not significantly different (P = 0.8818). The SPL of mechanical metronome was lower (53.04 ± 2.79 dB) than mobile device application-based metronome (65.19 ± 2.61 dB) (P < 0.0001) in similar ambience. CONCLUSION: Android application-based metronome is better than mechanical metronome for tests requiring lower beats per minute. It may be considered as an alternative to mechanical metronome.

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