Static optimization underestimates antagonist muscle activity at the glenohumeral joint: A musculoskeletal modeling study.
Azadeh Kian, Claudio Pizzolato, Mark Halaki, Karen Ginn, David Lloyd, Darren Reed, David Ackland
Journal of Biomechanics | Elsevier | Published : 2019
Static optimization is commonly employed in musculoskeletal modeling to estimate muscle and joint loading; however, the ability of this approach to predict antagonist muscle activity at the shoulder is poorly understood. Antagonist muscles, which contribute negatively to a net joint moment, are known to be important for maintaining glenohumeral joint stability. This study aimed to compare muscle and joint force predictions from a subject-specific neuromusculoskeletal model of the shoulder driven entirely by measured muscle electromyography (EMG) data with those from a musculoskeletal model employing static optimization. Four healthy adults performed six sub-maximal upper-limb contractions in..View full abstract
Awarded by Australian Research Council
This project was partially funded through ARC Industry Transformation Training Centre in Medical Implant Technologies (IC180100024).