Decorticate Posture Lesion

Patients with decorticate posturing present with the arms flexed or bent inward on the chest the hands are clenched into fists and the legs extended and feet turned inward.

Decorticate posture lesion. Decorticate posture usually results from stroke or head injury. In this circumstance the action of rubrospinal tract supercedes that of the reticulo and. Decorticate posture is stiff with legs held out straight fists.

Decorticate posturing is also called decorticate response decorticate rigidity flexor posturing or colloquially mummy baby. Decorticate posturing is a type of abnormal or pathologic posturing not to be mistaken with poor posture or slouching. Here is a way to remember these two postures and never forget again.

Occurs in umnl above the red nucleus hence rubrospinal tract still working. It may be elicited by noxious stimuli or may occur spontaneously. Decerebrate has more e and more r.

Mnemonic for decorticate posturing. This leads to release of cortical inhibition of the rubro reticulo and vestibulospinal tracts. Decorticate posturing a sign of severe damage to the brain is a specific type of involuntary abnormal posturing of a person.

Rubrospinal tract transected red nucleus is above the level of lesion i e. Decorticate posturing is a sign of damage to the nerve pathway between the brain and spinal cord. 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.

Specifically it involves slow flexion of the elbow wrist and fingers with a dduction and. Upper limbs are brought towards core i e. Loss of cortical inhibition of red nucleus rubro spinal tract i e.