Decorticate Posturing Differential
Decorticate and decerebrate posturing refers to primitive stereotyped motor responses exhibited by patients with severe brain injury.
Decorticate posturing differential. Decerebrate and decorticate posturing. However this concept has been criticized as lesions in the supratentorial region can also cause both decorticate and decerebrate posturing though the brainstem is typically involved. Upper limbs are brought towards core i e.
Decorticate posture is stiff with legs held out straight fists clenched and arms bent to hold the hands on the chest. Typically the anatomical divide associated with decorticate and decerebrate posturing is the intercollicular line at the level of the red nucleus. Specifically it involves slow flexion of the elbow wrist and fingers with a dduction and.
Loss of cortical inhibition of red nucleus rubro spinal tract i e. Decorticate posturing is a type of abnormal or pathologic posturing not to. Rubrospinal tract transected red nucleus is above the level of lesion i e.
Decorticate posturing is also called decorticate response decorticate rigidity flexor posturing or colloquially mummy baby. 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. Decerebrate has more e and more r.
Decorticate posturing is described as abnormal flexion of the arms with the extension of the legs. Both involve stereotypical movements of the trunk and extremities and are typically indicative of significant brain or spinal injury.