This course is sold off-site by World Instructor Training Schools Author: Dr. Evan Osar, D.C. “Osteoarthritis is the single most common cause of disability in older adults” (World Health Organization). In the United States alone, there are currently more than 30 million individuals living with osteoarthritis, 7.2 million individuals with hip and/or knee replacements, and 500,000 individuals per year having…