A dynamic spinal stabilization rod is disclosed including an elongate core, a first plurality of rigid components and a second plurality of flexible components. Each of the first plurality of rigid components may include a first central aperture. The elongate core may be configured to extend through the first central aperture of each rigid component. Also, the first plurality of rigid components may each include a locking mechanism for fixedly securing the rigid component to the elongate core. Each of the flexible components may include a second central aperture. Also, the elongate core may be configured to extend through the second central aperture of each of the flexible components. The first plurality of rigid components, the second plurality of flexible components and at least a portion of the elongate core may be configured to be disposed between two immediately adjacent ones of the at least two bone anchors.
