Only ligament limiting extension of the vertebral column is-
Ans. is 'a' i.e., Anterior longitudinal ligament * The anterior longitudinal ligament is present anterior to the bodies of the vertebrae and prevents excessive extension of the vertebral column. Anterior atlanto-occipital ligament is considered as continuation of anterior longitudinal ligament.
Anterior longitudinal ligament
Posterior longitudinal ligament
Supraspinous ligament
Ligamentum Flavum
Head & Neck