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								| Name | Yuka Yokoi |  
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							Therapeutic Ultrasound Changes Muscle Hardness Under Three Conditions; Rest, Isometric Contraction, and Weight Load  
						
							The 6th WCPT-AWP & 12th ACPT Congress 2013, Taichung, Taiwan 
						
							
								
									| International Collaboration  |  |    
						
							The purpose of this study is to clarify how ultrasound (US) changes muscle hardness under the various conditions of upper trapezius. The US group showed a significant increase in the surface temperature, and a decrease in the muscle hardness in rest, muscle contraction, and weight loaded.It was difficult to share the research parts due to the collaborative research.
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