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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
Published on: April 11, 2018
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Dynamic Musculoskeletal Functional Morphology: Integrating diceCT and XROMM.
Courtney P Orsbon1, Nicholas J Gidmark2, Callum F Ross1
1Department of Organismal Biology and Anatomy, The University of Chicago, Chicago, Illinois 60637.
Anatomical Record (Hoboken, N.J. : 2007)
|January 14, 2018
Summary
Skeletal muscles face a force-velocity tradeoff, influencing vertebrate form and function. New integrated imaging methods, including XROMM and diceCT, reveal in vivo primate hyolingual biomechanics during feeding.
Area of Science:
- Vertebrate musculoskeletal functional morphology
- Biomechanics
- Comparative anatomy
Background:
- The force-velocity tradeoff is a fundamental constraint in skeletal muscle design.
- Understanding diverse evolutionary solutions to this biomechanical problem is crucial.
- Advances in imaging and motion capture have improved the study of musculoskeletal systems.
Purpose of the Study:
- Review morphological and physiological factors influencing muscle function.
- Emphasize integrating morphological and physiological data for muscle function analysis.
- Present a novel method for in vivo musculoskeletal dynamics study.
Main Methods:
- Integrated high spatiotemporal resolution motion capture (XROMM/fluoromicrometry).
- High-resolution soft tissue imaging (diceCT).
- Electromyography for in vivo studies, demonstrated with primate hyolingual biomechanics.
Main Results:
- Sensitivity analysis showed attachment site errors impact muscle kinematics.
- Hyoid elevation involves multiple muscles.
- Fascicle rotation and tendon strain decouple fascicle strain from muscle length changes.
Conclusions:
- The presented integrated method advances in vivo musculoskeletal dynamics research.
- Findings offer insights into primate hyolingual function during feeding.
- Acknowledges current limitations and future methodological improvements.
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