A system (100) for correcting a spinal deformity includes an implant (104) fixedto one side of a vertebra and a rod (102) extending along an axis of the spine on asecond side of the vertebra. An adjustment member (106), which may include a reel,is coupled to the rod (102). A force directing member (108), such as a cable, extendsbetween the rod (102) and the adjustment member (106). The force directing member(106) is retractable toward and extendible from the adjustment member (106).A method of correcting spinal deformity includes providing an implant, a rod,an adjustment member coupled to the rod, and a force directing member extendingbetween the rod and the adjustment member. The adjustment member is retractabletoward and extendible from the adjustment member.
