Various methods and apparatus for cranially advancing the tuberosity (30) and patellar tendon (32) of a quadruped are disclosed. The patellar tendon can be advanced directly or indirectly by performing an osteotomy on the tuberosity, and subsequently advancing the tuberosity cranially to an advanced position. Implants (50) are further disclosed for maintaining the patellar tendon, and in some embodiments also the tuberosity, in the advanced position.
