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Robot

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Full-Text Articles in Biomedical Engineering and Bioengineering

A Robotic Neuro-Musculoskeletal Simulator For Spine Research, Robb W. Colbrunn Jan 2013

A Robotic Neuro-Musculoskeletal Simulator For Spine Research, Robb W. Colbrunn

ETD Archive

An influential conceptual framework advanced by Panjabi represents the living spine as a complex neuromusculoskeletal system whose biomechanical functioning is rather finely dependent upon the interactions among and between three principal subsystems: the passive musculoskeletal subsystem (osteoligamentous spine plus passive mechanical contributions of the muscles), the active musculoskeletal subsystem (muscles and tendons), and the neural and feedback subsystem (neural control centers and feedback elements such as mechanoreceptors located in the soft tissues) [1]. The interplay between subsystems readily encourages "thought experiments" of how pathologic changes in one subsystem might influence another--for example, prompting one to speculate how painful arthritic changes ...


Relationship Between Arch Height And Midfoot Joint Pressures During Gait, Dong Gil Lee Jan 2008

Relationship Between Arch Height And Midfoot Joint Pressures During Gait, Dong Gil Lee

ETD Archive

A foot arch is a multi-segmented curved structure which acts as a spring during locomotion. It is well known that ligaments are important components contributing to this spring-like property of the arch. In addition, intrinsic and extrinsic foot muscles contribute to arch support. According to the windlass foot model, arch height and midfoot joint orientation change during gait. However, it is not known whether altered joint configurations result in increased joint stress during gait. If so, it is possible for there to be a "vicious cycle" in which joint stress increases as the arch height diminishes, which may then lead ...