What is the describes decerebrate posturing?

Back arched; rigid extension of all four extremities.

Decerebrate posturing occurs in patients with damage to the upper brain stem. midbrain. or pons and is demonstrated clinically by the arching of the back. rigid extension of the extremities. pronation of the arms. and plantar flexion of the feet.Option A: Internal rotation and adduction of arms with flexion of the elbows. wrists. and fingers described decorticate posturing. which indicates damage to corticospinal tracts and cerebral hemispheres.