It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. The posturing may also occur without a stimulus.

What causes posturing?

Abnormal posturing most often results from damage to the brain or spinal cord. The type of posturing you experience will depend on the specific area of the brain or spinal cord that was affected. Damage to the central nervous system may occur due to : fluid buildup in the skull.

What type of brain injury causes posturing?

Causes of decorticate posturing

brain tumor. stroke. brain problem due to drug use, poisoning, infection, or liver failure. increased pressure in the brain.