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__    __     ___                ______    _____   
\ \\ / //   / _ \\    ____     /_   _//  / ____|| 
 \ \/ //   / //\ \\  |    \\    -| ||-  / //---`' 
  \  //   |  ___  || | [] ||    _| ||_  \ \\___   
   \//    |_||  |_|| |  __//   /_____//  \_____|| 
    `     `-`   `-`  |_|`-`    `-----`    `----`  
                     `-`

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Text this: Mechanism of locking at the knee joint