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[Repetitive strain injuries. Forearm pain caused by tissue responses to repetitive strain]
1Technische Universität Darmstadt, Fachbereich Humanwissenschaften, Germany. sorgatz@psychologie.tu-darmstadt.de
Der Orthopade
|October 12, 2002
Summary
Repetitive strain injury (RSI) pain may persist after healing due to neuroplastic changes. This model explains how repetitive movements and pain signals become linked, influencing future pain perception.
Area of Science:
- Occupational Health
- Neuroscience
- Biomedical Engineering
Background:
- Work-related upper limb disorders, including RSI, stem from various mechanisms.
- Repetitive strain injury is linked to exceeding soft tissue's cumulative trauma load tolerance (CTLT) through high-frequency movements.
Purpose of the Study:
- To explore the neuroplastic mechanisms underlying persistent RSI pain.
- To present a neuroplastic CTLT model for understanding and managing RSI.
Main Methods:
- Review of existing literature on RSI pathophysiology and neuroplasticity.
- Conceptual model development based on National Research Council findings.
Main Results:
- Repetitive painful stimuli can induce neuroplastic changes in the nervous system.
- Motor and nociceptive impulses can become integrated into motor programs, perpetuating pain perception.
Conclusions:
- RSI pain can be experienced as a task-related response even after tissue healing due to neuroplasticity.
- The neuroplastic CTLT model offers insights for RSI prevention and therapeutic strategies.