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Differential effects of type of keyboard playing task and tempo on surface EMG amplitudes of forearm muscles

Title
Differential effects of type of keyboard playing task and tempo on surface EMG amplitudes of forearm muscles
Authors
Chong, Hyun JuKim, Soo JiYoo, Ga Eul
Ewha Authors
정현주김수지
SCOPUS Author ID
정현주scopus; 김수지scopus
Issue Date
2015
Journal Title
FRONTIERS IN PSYCHOLOGY
ISSN
1664-1078JCR Link
Citation
vol. 6
Keywords
electromyographykeyboard-playing taskindividuated finger movementsequential finger movementtempo
Publisher
FRONTIERS MEDIA SA
Indexed
SSCI; SCOPUS WOS
Abstract
Despite increasing interest in keyboard playing as a strategy for repetitive finger exercises in fine motor skill development and hand rehabilitation, comparative analysis of task-specific finger movements relevant to keyboard playing has been less extensive. This study examined, whether there were differences in surface EMG activity levels of forearm muscles associated with different keyboard playing tasks. Results demonstrated higher muscle activity with sequential keyboard playing in a random pattern compared to individuated playing or sequential playing in a successive pattern. Also, the speed of finger movements was found as a factor that affect muscle activity levels, demonstrating that faster tempo elicited significantly greater muscle activity than self-paced tempo. The results inform our understanding of the type of finger movements involved in different types of keyboard playing at different tempi. This helps to consider the efficacy and fatigue level of keyboard playing tasks when being used as an intervention for amateur pianists or individuals with impaired fine motor skills.
DOI
10.3389/fpsyg.2015.01277
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일반대학원 > 음악치료학과 > Journal papers
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