They are used when the knee is highly unstable and the ligaments will be unable to support other types of prostheses. This is rarely a first choice option. Constrained prostheses are reserved for severely damaged knees.
Blackwell, Oklahoma. Blackwell is a city in Kay County, Oklahoma, United States, located at the intersection of U.S. Highway 177 and State Highway 11 along Interstate 35. The population was 7,092 at the 2010 census. Blackwell was established following the September 16, 1893 Cherokee Outlet land run by A. J. Blackwell.
It publishes for the social sciences, humanities, medicine, and the sciences. The company was incorporated in 1979 and is based in Malden, Massachusetts with additional offices in the United Kingdom, Australia, China, Denmark, Germany, and Japan. Blackwell Publishing, Inc. operates as a subsidiary of John Wiley & Sons Inc. 350 Main Street.