All of the following movements can occur across the intervertebral joints of the vertebral column except: a) extension.
b) lateral flexion.
c) flexion.
d) dorsiflexion.

D) dorsiflexion

Explanation:

extension, lateral flexion, flexion can occur across intervertebral joints of the vertebral column. Dorsiflexion is the odd one out.

Dorsiflexion is the act of bringing the toes closer to the shin, it is also referred to as the backward bending of an individual's foot or hand. when someone is walking on the heels of their ankle, their ankle can be described to be in dorsiflexion. therefore option d answers the question.

this is a good question! i'll do some research and come back when i have the answer!