Stretching exercises on pain sensitivity

1. Introduction 2. Background on Stretching Exercises 2.1. History and Development 2.2. Types of Stretching 2.3. Physiological Effects 2.4. Psychological Benefits 3. Understanding Pain Sensitivity 3.1. Definition and Measurement 3.2. Neurological Aspects 3.3. Influencing Factors 4. Relationship between Stretching and Pain 4.1. Current Theories 4.2. Previous Studies 4.3. Mechanisms of Interaction 5. Research Methodology 5.1. Study Design 5.2. Participant Selection 5.3. Data Collection Methods 5.4. Statistical Analysis Plan 6. Results 6.1. Demographic Information 6.2. Pain Sensitivity Changes 6.3. Stretching Exercise Outcomes 7. Discussion 7.1. Interpretation of Findings 7.2. Comparison with Previous Research 7.3. Implications for Practice 7.4. Limitations of the Study 8. Conclusion and Future Directions 8.1. Summary of Key Findings 8.2. Recommendations for Further Research

1. How do different types of stretching exercises influence pain sensitivity levels in individuals? 2. What physiological and neurological mechanisms underlie the changes in pain sensitivity following regular stretching exercises?