A transverse connector of a stabilizing system for correcting a spinal deformity includes a mounting portion adapted to be secured to a vertebra, a head portion having a pocket for receiving a spinal rod, a connection portion extending between the mounting portion and the head portion, and an arm portion extending from the mounting portion to a terminal end. The arm portion is substantially elongate in shape and is adapted to extend laterally across a vertebra of a spine. A flexible tether is secured to the terminal end of the arm portion
