"How do theoretical frameworks shape the practice of Operations Management? Explore how concepts from disciplines such as supply chain management, process optimization, quality control, and inventory management contribute to a comprehensive understanding of operations. Discuss the significance of theories like Lean Six Sigma, Total Quality Management, and Just$-$in$-$Time manufacturing in enhancing operational efficiency, reducing waste, and improving overall performance. Consider case studies or real$-$world examples to illustrate the application of these theories in various industries. Additionally, analyze the evolving nature of operations management theories in response to technological advancements, globalization, and changing consumer demands."