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Peripheral contributions to the perception of effort
Medicine and Science in Sports and Exercise
|January 1, 1982
Summary
Force sensation during muscle contraction is sensed via feedforward, feedback, or combined mechanisms. Experimental conditions influence which sensory feedback pathway is detected.
Area of Science:
- Neuroscience
- Motor Control
- Human Physiology
Background:
- Muscle contractions are sensed as force.
- Force sensation mechanisms are not fully understood.
- Potential mechanisms include feedforward, feedback, and combined pathways.
Purpose of the Study:
- To investigate the mechanisms of human force sensation.
- To differentiate between feedforward and feedback models of force sensing.
- To explore the role of experimental conditions in force sensation.
Main Methods:
- Utilized static and dynamic muscular contractions as experimental models.
- Collected data on sensory input during muscle activity.
- Analyzed data to support or refute proposed sensory mechanisms.
Main Results:
- Data obtained support the involvement of either feedforward or feedback mechanisms.
- Experimental circumstances appear to influence the observed sensory mechanism.
- A system involving both feedforward and feedback elements is likely.
Conclusions:
- Force sensation during muscle contraction involves complex sensory processing.
- Both feedforward and feedback pathways contribute to force perception.
- Future research should consider the interplay of these mechanisms and experimental design.