Anterior longitudinalligament Maintains stability of the intervertebral disc and prevents yperextension of the vertebral column Posterior longitudinal ligament Prevents hyperflexion of the vertebral column and posterior protrusion of the discsAnterior longitudinal ligament ◼ Maintains stability of the intervertebral disc and prevents hyperextension of the vertebral column Posterior longitudinal ligament ◼ Prevents hyperflexion of the vertebral column and posterior protrusion of the discs