This is still one of the most misunderstood concepts when it comes to pain and rehab. For a lot of people, the sensation of tightness or stiffness is conceptually quite separate from what people consider pain, something that's not necessarily harmful, and something that might need to be stretched in order to relieve sensation. As opposed to pain, which may require a different process of management. In reality pain and stiffness are often the same response, just on different e