David Musnick MD is board certified in Sports Medicine, Internal Medicine and Functional Medicine. He has been in practice in Bellevue, WA, for 30 years at Peak Medicine (www.peakmedicine.com) has taught physical therapists medical screening , functional medicine and chronic pain material for 20 years, and has been faculty at Andrews University since 2000. He is also on the faculty of ASPIRE, an orthopedic manual therapy institute. Dr. Musnick has developed the functional medicine approach to pain management as well as the functional medicine approach to traumatic brain injury and concussion. He is an expert in nutrition, sleep medicine, pain management, IBS, SIBO, hypermobility, prolotherapy, autoimmune disease, fibromyalgia. His teaching is packed with information and new and functional methods of analysis.