ArticleJournal of biomechanics2015
Exploring the high-dimensional structure of muscle redundancy via subject-specific and generic musculoskeletal models.
Article in Journal of biomechanics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed.
- Muscle synergy analysis during badminton forehand overhead smash: integrating electromyography and musculoskeletal modeling.Frontiers in sports and active living · 2025Article
- Late acquisition of erect hindlimb posture and function in the forerunners of therian mammals.Science advances · 2024Article
- A computational study of how an α- to γ-motoneurone collateral can mitigate velocity-dependent stretch reflexes during voluntary movement.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- An alpha- to gamma-motoneurone collateral can mitigate velocity-dependent stretch reflexes during voluntary movement: A computational study.bioRxiv : the preprint server for biology · 2024Article
- The Simultaneous Model-Based Estimation of Joint, Muscle, and Tendon Stiffness is Highly Sensitive to the Tendon Force-Strain Relationship.IEEE transactions on bio-medical engineering · 2024Article
- Muscle redundancy is greatly reduced by the spatiotemporal nature of neuromuscular control.Frontiers in rehabilitation sciences · 2023Article
- Do individual differences in the distribution of activation between synergist muscles reflect individual strategies?Experimental brain research · 2019Article
- Analyzing Moment Arm Profiles in a Full-Muscle Rat Hindlimb Model.Biomimetics (Basel, Switzerland) · 2019Article
- Effects of kinematic complexity and number of muscles on musculoskeletal model robustness to muscle dysfunction.PloS one · 2019Article
- Effect of Kinetic Degrees of Freedom on Multi-Finger Synergies and Task Performance during Force Production and Release Tasks.Scientific reports · 2018Article
- Feasibility Theory Reconciles and Informs Alternative Approaches to Neuromuscular Control.Frontiers in computational neuroscience · 2018Article
- On neuromechanical approaches for the study of biological and robotic grasp and manipulation.Journal of neuroengineering and rehabilitation · 2017Review
- Similar movements are associated with drastically different muscle contraction velocities.Journal of biomechanics · 2017Article
- Neuromorphic meets neuromechanics, part II: the role of fusimotor drive.Journal of neural engineering · 2017Article
- Forearm Flexor Muscles in Children with Cerebral Palsy Are Weak, Thin and Stiff.Frontiers in computational neuroscience · 2017Article
- Muscle Synergies Heavily Influence the Neural Control of Arm Endpoint Stiffness and Energy Consumption.PLoS computational biology · 2016Article
- Suboptimal Muscle Synergy Activation Patterns Generalize their Motor Function across Postures.Frontiers in computational neuroscience · 2016Article
- Biomechanical Constraints Underlying Motor Primitives Derived from the Musculoskeletal Anatomy of the Human Arm.PloS one · 2016Article
- Muscle networks: Connectivity analysis of EMG activity during postural control.Scientific reports · 2015Article
- Feasible muscle activation ranges based on inverse dynamics analyses of human walking.Journal of biomechanics · 2015Article
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4 authors.
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Abstract
Subject-specific and generic musculoskeletal models are the computational instantiation of hypotheses, and stochastic techniques help explore their validity. We present two such examples to explore the hypothesis of muscle redundancy. The first addresses the effect of anatomical variability on static force capabilities for three individual cat hindlimbs, each with seven kinematic degrees of freedom (DoFs) and 31 muscles. We present novel methods to characterize the structure of the 31-dimensional set of feasible muscle activations for static force production in every 3-D direction. We find that task requirements strongly define the set of feasible muscle activations and limb forces, with few differences comparing individual vs. species-average results. Moreover, muscle activity is not smoothly distributed across 3-D directions. The second example explores parameter uncertainty during a flying disc throwing motion by using a generic human arm with five DoFs and 17 muscles to predict muscle fiber velocities. We show that the measured joint kinematics fully constrain the eccentric and concentric fiber velocities of all muscles via their moment arms. Thus muscle activation for limb movements is likely not redundant: there is little, if any, latitude in synchronizing alpha-gamma motoneuron excitation-inhibition for muscles to adhere to the time-critical fiber velocities dictated by joint kinematics. Importantly, several muscles inevitably exhibit fiber velocities higher than thought tenable, even for conservative throwing speeds. These techniques and results, respectively, enable and compel us to continue to revise the classical notion of muscle redundancy for increasingly more realistic models and tasks.
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