A Comparison of Computational Muscle Models using Intramuscular Pressure - A Surrogate for Muscle Force

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dc.contributor.advisorFregly, Benjamin Jen_US
dc.creatorBoggess, Grant Forresten_US
dc.date.accessioned2019-05-17T19:12:13Zen_US
dc.date.available2020-05-01T05:01:09Zen_US
dc.date.created2019-05en_US
dc.date.issued2019-04-19en_US
dc.date.submittedMay 2019en_US
dc.date.updated2019-05-17T19:12:14Zen_US
dc.description.abstractNeuromusculoskeletal (NM) models may help clinicians design better rehabilitation protocols. However, NM models face two challenges. Firstly, NM models greatly simplify the neuromusculoskeletal system. Secondly, the muscle redundancy problem guarantees there are not unique muscle force solutions, making validation of model changes very challenging. Intramuscular pressure (IMP) is the interstitial fluid pressure in muscle and has been shown to have a high correlation with muscle force. This thesis uses a newly-developed IMP sensor to compare the correlation between IMP and muscle force for four muscle models. Correlations were calculated between predicted tibialis anterior force and IMP for seven ankle dorsiflexion/plantarflexion tasks. Muscle model did not significantly affect the correlation between predicted muscle force and IMP. However, the compliant tendon model did have an insignificant increase in joint moment prediction accuracy. This may indicate that a compliant tendon model is appropriate for strong plantarflexor muscles with long tendons.en_US
dc.embargo.terms2020-05-01en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationBoggess, Grant Forrest. "A Comparison of Computational Muscle Models using Intramuscular Pressure - A Surrogate for Muscle Force." (2019) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/106004">https://hdl.handle.net/1911/106004</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/106004en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectIntramuscular Pressureen_US
dc.subjectMuscle Force Validationen_US
dc.titleA Comparison of Computational Muscle Models using Intramuscular Pressure - A Surrogate for Muscle Forceen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentMechanical Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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