Journal
HUMAN MOVEMENT SCIENCE
Volume 30, Issue 6, Pages 1260-1271Publisher
ELSEVIER
DOI: 10.1016/j.humov.2010.08.006
Keywords
Coordination dynamics; Dance; Rhythm; Sensorimotor synchronization; Motor learning
Funding
- Japan Society for the Promotion of Science (JSPS) [21300215, 19300216]
- Grants-in-Aid for Scientific Research [20240060, 21300215, 19300216, 11J09480] Funding Source: KAKEN
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This study investigated whole-body sensorimotor synchronization (SMS) in street dancers and non-dancers. Two kinds of knee bending movement in a standing position to a metronome beat were explored in terms of stability under different movement frequencies: down-movement condition (knee flexion on the beat) and up-movement condition (knee extension on the beat). Analyses of phase relation between movement and beat revealed several distinct differences between the down- and up-movement conditions, and between dancers and non-dancers. In both groups under the up-movement condition, deviation from intended phase relation at higher beat rates, and enhanced fluctuations were observed. The deviation from intended phase relation under up-movement condition, and movement fluctuations were greater in non-dancers than in dancers. Moreover, subjective difficulty rating revealed that both groups felt that the up-movement condition was more difficult at higher beat rates. These findings suggest that down and up movements are two distinguishable coordination modes in whole-body coordination, and that street dancers have superior whole-body SMS ability. (C) 2010 Elsevier B.V. All rights reserved.
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