2003
DOI: 10.1002/ca.10112
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Abstract: The purpose of this study was to visualize and document the architecture of the human soleus muscle throughout its entire volume. The architecture was visualized by creating a three-dimensional (3D) manipulatable computer model of an entire cadaveric soleus, in situ, using B-spline solid to display muscle fiber bundles that had been serially dissected, pinned, and digitized. A database of fiber bundle length and angle of pennation throughout the marginal, posterior, and anterior soleus was compiled. The comput… Show more

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Cited by 103 publications
(89 citation statements)
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“…48 These models represent the complex nonlinear behavior of muscle tissue; however, they have not incorporated realistic geometric arrangements of muscle fibers or muscle-bone and muscle-muscle surface contact. Agur et al 1 developed methods to capture and model the 3D arrangement of muscle fibers from anatomical dissection, which can provide insight into the 3D complexity of muscle architecture; however, these models do not predict the changes in shape or fiber geometry as joints move. The formulation presented here advances these methods by combining 3D representations of fiber arrangements with representations of the nonlinear constitutive behavior of muscle and representations of muscle-bone and musclemuscle interactions to predict muscle shape, lengths, and moment arms through a range of joint positions.…”
Section: Discussionmentioning
confidence: 99%
“…48 These models represent the complex nonlinear behavior of muscle tissue; however, they have not incorporated realistic geometric arrangements of muscle fibers or muscle-bone and muscle-muscle surface contact. Agur et al 1 developed methods to capture and model the 3D arrangement of muscle fibers from anatomical dissection, which can provide insight into the 3D complexity of muscle architecture; however, these models do not predict the changes in shape or fiber geometry as joints move. The formulation presented here advances these methods by combining 3D representations of fiber arrangements with representations of the nonlinear constitutive behavior of muscle and representations of muscle-bone and musclemuscle interactions to predict muscle shape, lengths, and moment arms through a range of joint positions.…”
Section: Discussionmentioning
confidence: 99%
“…Numbered regions: 1) medial gastrocs, and 2 and 3) aponeurosis. (22). It is possible that voxels that contain mixtures of these fibers will show a net reduction in FA.…”
Section: Discussionmentioning
confidence: 99%
“…Figure 5d shows that the fibers of the soleus muscle have a complicated architecture and change directions along the SI direction. US and morphologic measurements of the soleus indicate that it is compartmentalized into a unipennate posterior group and a bipennate anterior group (22,26). Furthermore, three-dimensional structure and velocity maps from MRI have shown that the anterior soleus fibers are arranged radially around the median septum (27).…”
Section: Discussionmentioning
confidence: 99%
“…However, these methods have a disadvantage when understanding the three-dimensional muscle architecture, because in principle they are based on planar imaging technique. Within a muscle, fibers are arranged in a three-dimensional space [Agur, et al, (2003); Lam, et al, (1991) ;Muramatsu, et al, (2002); Otten (1988) ;Savelberg, et al, (2001); Van Leeuwen and Spoor (1992)]. Agur et al (2003) showed that most of the muscle fibers within a human cadaver soleus muscle http://www.soc.nii.ac.jp/jspe3/index.htm 227 were curved and arranged obliquely.…”
Section: Introductionmentioning
confidence: 99%