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	A Study on the Nonlinearity Relationship between Quadriceps Thickness and Torque Output during Isometric Knee Extension
	Xing Chen; Xin Chen; Jizhou Li; Yongjin Zhou
	2014
会议名称	3rd International Conference on Health Information Science, HIS 2014
会议地点	Shenzhen, China
英文摘要	The quadriceps femoris is a large muscle group which is crucial in walking, running, jumping and squatting. Therefore, study on quadriceps muscle activity is of realistic significance. As one of architectural parameters, muscle thickness has been investigated in many aspects for various purposes. However, there are few studies on quantitating the relationship between quadriceps muscle thickness and torque output. In this study a coarse-to-fine method based on a compressive tracking algorithm is used for real-time estimation of muscle thickness during isometric contraction on ultrasound images. Ultrasonography is a convenient and widely-used technique to look into the muscle contraction as it is non-invasive and real-time. The relationship between quadriceps muscle thickness and torque output are investigated with data from 13 subjects. The experimental result showed that the change of muscle thickness in cross-sectional plane is similar to its torque during muscle contraction, but the relationship between them is nonlinear.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/5911]
专题	深圳先进技术研究院_医工所
作者单位	2014
推荐引用方式 GB/T 7714	Xing Chen,Xin Chen,Jizhou Li,et al. A Study on the Nonlinearity Relationship between Quadriceps Thickness and Torque Output during Isometric Knee Extension[C]. 见:3rd International Conference on Health Information Science, HIS 2014. Shenzhen, China.

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