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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 57 for “"muscle force"”.
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Effective Muscle Force
Made available in DSpace on 2014-12-10T18:06:43Z (GMT). No. of bitstreams: 1 6503612.pdf: 10070977 bytes, checksum: e87f25f9a29c7bc0f233089f10b773e8 (MD5) Previous issue date: 1964
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Muscle force estimation in clinical gait analysis
… influence the skeletal system through muscle force production is needed. Clinical gait analysis lacks in a sufficient estimation of individual muscle forces. To date, joint moments and EMG measurements are used to deduce on the characteristics of muscle forces, however, known …
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A minimum energy solution for muscle force control during walking.
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1979.
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Neuromuscular factors contributing to reductions in muscle force after repeated, high-intensity muscular efforts
… can accumulate sufficiently to limit muscular force production during repeated, forceful muscle contractions, including those that occur in the occupational, clinical and athletic settings. Fatigue during such efforts is likely to result from disturbances to multiple processes in the nervous …
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Force potentiation as a modulator of contractile performance: Implications for control of skeletal muscle force and energetics of work
… contractile function during ramp shortening, and muscles were frozen during parallel incubations for biochemical analysis. The central feature of this research was the comparison of fast hindlimb muscles from wildtype and skeletal myosin light chain kinase knockout (skMLCK-/-) mice that does not …
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Isometric muscle force production characteristics as a function of chronological age in normal, healthy men, age 20 to 80 years
ETDs are only available to UIUC Users without author permission
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The role of the apparent rate constant of cross-bridge transition from the strong binding state (G app ) in skeletal muscle force production
Force regulation at the level of the actin-myosin cross-bridge (XB) can be described by a 2 state model in which the XB's cycle between a strongly bound (SB), force generating state and a weakly bound (WB), non-force generating state. This cycle can be characterized by the apparent rate constants …
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Effect of a neuromuscular electrical stimulation muscle strength training intervention on muscle force and mass, physical health and quality of life in people with spinal cord injury
… injury (SCI) leads to significant deficits in muscle strength and mass, impacting negatively on physical health and quality of life (QoL). Physical rehabilitation techniques for people with SCI rely on constant updates and the accumulation of evidence regarding the efficacy of available and/or …
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A Subject Specific Surface Electromyography Model For Estimating L4/L5 Compressive Loading
… accurate values, but may not match underlying muscle activity. Electromyography modeling reports physiological compressive loading, but currently makes use of a single gain value relating muscle force to EMG muscle activity, assuming a linear relationship for all subjects. Muscle force to EMG …
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Investigation of differences in cortical activation during wrist flexion and extension performed under real, passive and motor imagined paradigms
… pathways play, and to what degree other factors (muscle force activation, sensory feedback, frequency of movement, structural and/or functional differences) might influence the cortical activation in the brain. It has been speculated that the difference in cortical muscular pathways is due to …
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Characteristics of muscle co-contraction during isometric tracking
… research was to study the relationship between muscle coordination and the performance of a simple manual tracking task. The study employed an isometric, zero order, pursuit tracking task with a laterally translating, periodic sine wave forcing function. The speed of the target was varied by …
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Statin-associated skeletal muscle damage and its interactions with novel or accustomed exercise
… common side effect is some degree of skeletal muscle myopathy. Unfortunately, this side effect is more likely/severe in statin users who are also exercisers. Purpose: To examine the previously unaddressed interactions of statin treatment with novel vs. accustomed exercise, as well as to examine …
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Differences between adult and pediatric neck muscle stress due muscle recruitment patterns
… assumed that the soft tissue response, such as muscle force, was the same as for an adult.</p> <p>Recent studies have shown that not only are children different from adults due to the development of their skeleton, but that their ability to develop muscle force for a given cross-sectional area …
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Cementless Tibial Base Micromotion During Activities of Daily Living
… accurate loading conditions, incorporating forces and displacements in all 6 degrees-of-freedom found in the knee joint, as well as understanding the impact of femoral flexion on conformity of tibiofemoral articulation. Understanding how different activities of daily living generate tibial …
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Computational Investigation of the Biomechanics of Babywearing in Regards to Developmental Dysplasia of the Hip
… of the hip at infancy. Detailed analysis of muscle force contribution and joint reaction force across the range of motion that babywearing allows can give better understanding on correct and incorrect methods of babywearing. The joint kinematics was varied across its range of motion, and the …
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Efficacy of Hammerstein models in capturing the dynamics of isometric muscle stimulated at various frequencies
… if neuroprosthetic controllers contain muscle models appropriate to the behavioral regimes of interest. The goal of this thesis is to investigate the performance of one such model, the Hammerstein cascade, in describing isometric muscle force. We examine the effectiveness of Hammerstein …
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Modeling Gait Muscle-Reflexes Through Hindlimb Characterization in Rodents
… springs to more complex ones that comprise muscle-tendons and spinal muscle-reflexes. However, the more complex models fail to have a strong empirical basis for muscle-reflex definition and function. To garner stronger evidence for the reflex component of muscle function in gait, we modeled …
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The muscle-bone in children and adolescents with and without cystic fibrosis
… between: 1) puberty and bone, and 2) muscle and bone. This would contribute to the understanding of how sex(malesvs.females) and disease group(CFvs.controls) alters the relationship between bone and muscle in children and adolescents as they transition through puberty and who, on a …
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Patient-Specific Musculoskeletal Modeling of Total Shoulder Arthroplasty
… in total knee and hip replacements [1]. Shoulder muscle moment arms and lines of action have been measured experimentally in cadaveric studies, and computational musculoskeletal models have been developed in OpenSim [2] to analyze muscle function and joint loading of the shoulder [3], [4],[5],[6], …
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The surface electromyography-force relationship during isometric dorsiflexion in males and females
… anterior (TA) surface electromyography (EMG) to force relationship. One-hundred participants (50 males and 50 females) performed three isometric contractions at 20, 40, 60, 80, and 100% of maximal voluntary contraction (MVC) in an apparatus designed to isolate the action of the dorsiflexors. The …
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