Decorticate Posture Lesion

Abnormal posturing is often an indication of certain types of injury to the brain or spinal cord.

Decorticate posture lesion. The legs will be rotated internally and feet flexed. Here is a way to remember these two postures and never forget again. In this circumstance the action of rubrospinal tract supercedes that of the reticulo and.

Decorticate posturing is also called decorticate response decorticate rigidity flexor posturing or colloquially mummy baby. Specifically it involves slow flexion of the elbow wrist and fingers with a dduction and. Decorticate posturing is also called decorticate response decorticate rigidity flexor posturing or colloquially mummy baby.

Loss of cortical inhibition of red nucleus rubro spinal tract i e. This leads to release of cortical inhibition of the rubro reticulo and vestibulospinal tracts. Remember the letters cor in the word de cor ticate for the word core.

People who have decorticate rigidity should get medical attention right away. There will be adduction and flexion of the arms and the hands will be closed shut flexed. It may be elicited by noxious stimuli or may occur spontaneously.

Decorticate posturing means rubrospinal tract is the dominant output to the motor neurons of the body. Since in decorticate posture the lesion is at the level of neurons which originate from cortexand relay in the basal ganglia but since basal ganglia are still intact they do influence in controlling increased discharge rates of gamma. Decorticate posturing is described as abnormal flexion of the arms with the extension of the legs.

Decorticate posturing is a type of abnormal or pathologic posturing not to be mistaken with poor posture or slouching. The intensity of the required stimulus the duration of the posture and the frequency of spontaneous episodes vary with the severity and location of cerebral injury. Decorticate posture is stiff with legs held out straight fists.