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In order to explain time-resolved X-ray diffraction data from striated muscle we explored the feasibility of using dynamic 3D models of muscle contraction to predict X-ray diffraction patterns. This approach differs radically from previous attempts, which merely aimed to provide a “best fit” structure for defined quasi-static states, by providing a tool to generate families of structures that evolve...
This paper presents a mass-spring model for real-time simulation of volume preserving deformable solids. A new type of springs that show collective behavior was developed called “support springs”, which model the “matter” inside the object and make it preserve its volume without the need of explicit volume computations during the simulation as it is done in conventional methods. Comparing the volume...
Quantification of the lumbar spine compression and shear forces is a continuing challenge in biomechanics. The purpose of this study is to develop a virtual model with the ability to determine the kinetics of lumbar spine joints during complex activities.
The comfort of ankle when driving is very important on driving comfort research. The biomechanics of the foot and ankle are complex and intricately associated with each other. Gross motion of the foot is complex and occurs around three axes and on three planes. The foot is an integral mechanical part of the lower extremity necessary for a smooth and stable movement. This paper presents our experiments...
This paper introduces volume springs that provide the volume effect to a surface model when it is deformed. The estimation of the properties of the model takes the real material properties into consideration, where each spring stiffness is derived based on the elasticity, rigidity and compressibility modulus. The proposed model can be adopted to simulate soft objects such as a deformable human breast,...
Muscle fatigue is defined as the point at which the muscle is no longer able to sustain the required force or work output level. The overexertion of muscle force and muscle fatigue can induce acute pain and chronic pain in human body. When muscle fatigue is accumulated, the functional disability can be resulted as musculoskeletal disorders (MSD). There are several posture exposure analysis methods...
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