1. Introduction
  1.1 Background and significance
  1.2 Objectives of the study
2. Biochemistry of Energy Production
  2.1 ATP production pathways
  2.2 Glycolysis and aerobic metabolism
  2.3 Role of mitochondria in energy production
3. Muscle Metabolism and Performance
  3.1 Muscle fiber types and energy systems
  3.2 Biochemical processes during muscle contraction
  3.3 Role of creatine phosphate in energy transfer
4. Oxygen Utilization and Aerobic Capacity
  4.1 Oxygen transport and utilization in the body
  4.2 Biochemical adaptations to aerobic training
  4.3 Effects of altitude on oxygen-carrying capacity
5. Biochemical Markers of Exercise
  5.1 Metabolic byproducts and markers of fatigue
  5.2 Biomarkers for assessing training adaptations
  5.3 Monitoring biochemical changes during recovery