1. Introduction
  1.1 Background
  1.2 Problem Statement
  1.3 Objectives

2. Literature Review
  2.1 Definition and Types of Chronic Pain
  2.2 Current Treatment Approaches for Chronic Pain
  2.3 The Role of Exercise in Pain Management
  2.4 Mechanisms of Exercise-induced Pain Relief
  2.5 Previous Studies on Exercise and Chronic Pain

3. Methodology
  3.1 Research Design
  3.2 Inclusion and Exclusion Criteria
  3.3 Search Strategy
  3.4 Data Extraction and Analysis
  3.5 Quality Assessment

4. Results
  4.1 Overview of Included Studies
  4.2 Effects of Different Exercise Modalities on Pain Reduction
  4.3 Effects of Exercise on Functional Improvement
  4.4 Effects of Exercise on Quality of Life
  4.5 Summary of Findings

5. Discussion
  5.1 Interpretation of Results
  5.2 Comparison with Previous Studies
  5.3 Limitations of the Study
  5.4 Implications for Clinical Practice
  5.5 Recommendations for Future Research