Total knee replacement is one of the most successful procedures in all of medicine. In the vast majority of cases, it enables people to live richer, more active lives free of chronic knee pain. Over time, however, a knee replacement may fail for a variety of reasons.
Resistance movement. A resistance movement is an organized effort by some portion of the civil population of a country to resist the legally established government or an occupying power and to disrupt civil order and stability.
A reform movement is the kind of social movement that aims to make gradual change, or change in certain aspects of society, rather than rapid or fundamental changes. A reform movement is distinguished from more radical social movements such as revolutionary movements.