Motor Control and Pain Physiology
Summary
Motor control and pain physiology encompass the neural, muscular and sensory processes that enable movement and modulate nociceptive signals. Motor control arises from the integration of cortical planning, spinal pattern generation and peripheral feedback, yielding coordinated recruitment of motor units and muscle synergies to accomplish tasks. Pain physiology involves transduction of noxious stimuli by peripheral nociceptors, ascending transmission through spinal and supraspinal pathways, and descending modulation that shapes both perception and motor output. Interactions between these systems are bidirectional: pain alters muscle activation, reflex gain and movement patterns, while voluntary and involuntary motor activity can attenuate or exacerbate pain through mechanisms such as motor-related analgesia. Understanding this interplay has practical applications in rehabilitation, ergonomic design and the management of chronic pain disorders. By elucidating anticipatory motor adaptations to threat, reorganisation of motor unit pools in pain states and the role of central motor drive in analgesia, research is driving improvements in targeted therapies, exercise prescription and neurostimulation strategies worldwide.
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Motor Control and Pain Physiology publication trend
The graph below shows the total number of articles in motor control and pain physiology across all publications each year (not limited to Nature Index journals).
Technical terms
Corticospinal excitability: The readiness of the pathway linking the motor cortex to spinal motor neurons to transmit signals.
Motor unit: A single motor neuron and the muscle fibres it innervates, fundamental to force generation.
Muscle synergy: Coordinated recruitment of groups of muscles to produce efficient movement patterns.
Movement-evoked pain: Pain that arises specifically during muscular contraction or movement.
Tonic pain: Steady, sustained pain stimulus independent of movement, often used in experimental models.
References
- Topographically selective motor inhibition under threat of pain. Pain (2024).
- Effect of movement‐evoked and tonic experimental pain on muscle force production. Scandinavian Journal of Medicine and Science in Sports (2023).
- The brain and behavioral correlates of motor-related analgesia (MRA). Neurobiology of Disease (2020).
- The Strategy of the Brain to Maintain the Force Production in Painful Contractions—A Motor Units Pool Reorganization. Cells (2022).
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