Dr. Vladimir Janda was a Czech neurologist and physiatrist. He retired as the Director of the physiotherapy school at the Charles University 3rd Faculty of Medicine in 2000. Janda has done extensive clinical research on the pathogenesis and treatment of chronic musculoskeletal pain. He is known around the world for his concepts of muscle imbalance, and continued to be active in clinical practice, research, and lecturing until his death in November, 2002. Janda’s approach to the evaluation and management of chronic musculoskeletal pain focuses on the importance of the central nervous system in mediating chronic pain through neuromuscular imbalance.