AIMC Topic: Muscle Contraction
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Muscle-inspired elasto-electromagnetic mechanism in autonomous insect robots.
Nature communications
Jul 24, 2025
In nature, the dynamic contraction and relaxation of muscle in animals provide the essential force and deformation necessary for diverse locomotion, enabling them to navigate and overcome environmental challenges. However, most autonomous robotic sys...
Tetanus-driven biohybrid multijoint robots powered by muscle rings with enhanced contractile force.
Science advances
Jul 16, 2025
Biohybrid actuators using muscle rings have been limited to twitching movements and are unsuitable for sustained contractile force applications. In this study, we developed muscle rings capable of generating high contractile forces under tetanus stim...
A forward-engineered, muscle-driven soft robotic swimmer.
Science advances
Jul 16, 2025
The field of biohybrid robotics focuses on using biological actuators to study the emergent properties of tissues and the locomotion of living organisms. On the basis of models of swimming at small size scales, we designed and fabricated a muscle-pow...
Development of an electrical current stimulator for controlling biohybrid machines.
Scientific reports
Jul 2, 2025
Soft and flexible robotics is an emerging field that attracts a huge interest due to its ability to produce bioinspired devices that are easily adaptable to the environment. Biohybrid Machines (BHM) represent a category of soft robots that integrate ...
Flexible multichannel muscle impedance sensors for collaborative human-machine interfaces.
Science advances
Jun 27, 2025
The demand for advanced human-machine interfaces (HMIs) highlights the need for accurate measurement of muscle contraction states. Traditional methods, such as electromyography, cannot measure passive muscle contraction states, while optical and ultr...
Tailoring neuromuscular dynamics: A modeling framework for realistic sEMG simulation.
PloS one
Jun 12, 2025
This study introduces an advanced computational model for simulating surface electromyography (sEMG) signals during muscle contractions. The model integrates five elements that simulate the chain of processes from motor intention to voltage variation...
Self-organising bio-inspired reflex circuits for robust motor coordination in artificial musculoskeletal systems.
Bioinspiration & biomimetics
Jun 6, 2025
Artificial musculoskeletal systems mimic mammalian biomechanics using antagonistic muscles and rigid skeletons. They offer benefits such as adjustable stiffness, back-drivability, and muscle failure tolerance but are difficult to model and control du...
Biohybrid robot contracts like the human iris.
Science robotics
Apr 23, 2025
Patterning planar muscle layers can create biohybrid robots capable of unique and controllable muscle activity.
Biohybrid hand actuated by multiple human muscle tissues.
Science robotics
Feb 12, 2025
Cultured muscle tissue serves as a power source in biohybrid robots that demonstrate diverse motions. However, current designs typically only drive simple substrates on a small scale, limiting flexibility and controllability. To address this, we prop...
Resilience of hierarchical actuators highlighted by a myosin-to-muscle mock-up.
Bioinspiration & biomimetics
Feb 10, 2025
Skeletal muscle is the main actuator of various families of vertebrates (mammals, fish, reptiles). It displays remarkable robustness to micro-damage, that supposedly originates both from its redundant hierarchical structure and its nervous command. A...
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